OT-2026-000052621
Publication integrity record
Three cup vacuum gripper, three outlet manifold, two stage ejector, vented 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-2026-000052621) never changes.
Identity and time
| Publication number | OT-2026-000052621 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573b-7ced-8508-8448411b2344 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052621 |
| Status | PUBLIC |
Content hashes
| Canonical text | 72221145fa91b52dbb81e4d242227b32fdd5aff7431b8dde91b9078f998caa04 |
|---|---|
| Markdown | 8edcd2a26b6f98f640537c26ba554654c35794c6910174dce6fee92f3544c1bd |
| Publication page | 4c0d49925c45b56dbfe84e3b25dd469e7eb24859d9dc8e3ad8d9e0bb93b0a37c |
| Manifest | bede8b5d22aece41f661219627534759504776fe782d50380a33967e4abb51f9 |
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 | FoE6HUVyl08U+TpQZUb7LieDgY87zt3ciQvDV7MdxlhkfVFnWoNngYNVTBpNUK0Ijwluk6qM/CTfzS/PH3X/Cw== |
| 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
| 2026-09-17T10:57:17.621624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052621observed 4c0d49925c45b56dbfe84e3b25dd469e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:17.603602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052621/manifest.jsonobserved bede8b5d22aece41f661219627534759...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:17.585827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052621/publication.mdobserved 8edcd2a26b6f98f640537c26ba554654...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:17.569835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052621/publication.txtobserved 72221145fa91b52dbb81e4d242227b32...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. |
|---|