OT-2026-000053747
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000053747) never changes.
Identity and time
| Publication number | OT-2026-000053747 · never reused |
|---|---|
| Internal UUID | 01a0ae85-735d-703a-b7b9-0577db100f8a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:36.560124Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053747 |
| Status | PUBLIC |
Content hashes
| Canonical text | c85c8dbe9d9d3a353e5812234d86d96980d665fabab9b78b27b2ae4bc1fa4c02 |
|---|---|
| Markdown | 22773cd28ce1f58e7e70284ca7c4cb2e27658915219db3c3a68053d9ba6711fb |
| Publication page | b03419f63137330d26bf3bd5f1a298b6ffb720e16138bd1c31849bfdace0ab76 |
| Manifest | fb702db1c762b547bc720977fdd0ad89bd784abdb10d59199d0349d5752bdfc6 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | 0YGgvl2hCymVvgDIq5iq1G56v6Wbt/xB74H7j/QoI561Gy+yJ0Cygk+M23G/fbwxFPEJplF3QA+dMo/eS/SrAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T12:42:01.930539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053747observed b03419f63137330d26bf3bd5f1a298b6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:42:01.625616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053747/manifest.jsonobserved fb702db1c762b547bc720977fdd0ad89...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:42:01.399619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053747/publication.mdobserved 22773cd28ce1f58e7e70284ca7c4cb2e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:42:01.125388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053747/publication.txtobserved c85c8dbe9d9d3a353e5812234d86d969...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:22.009769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053747observed b03419f63137330d26bf3bd5f1a298b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:21.990510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053747/manifest.jsonobserved fb702db1c762b547bc720977fdd0ad89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:21.972240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053747/publication.mdobserved 22773cd28ce1f58e7e70284ca7c4cb2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:21.829802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053747/publication.txtobserved c85c8dbe9d9d3a353e5812234d86d969...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|