OT-2026-000027887
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000027887) never changes.
Identity and time
| Publication number | OT-2026-000027887 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a4a5-7f23-919c-52032fea065e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027887 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1c29c70f687ca35bdc012110f7fb49cdb0ce3c2ac007c40ffe6094e94d9f2eab |
|---|---|
| Markdown | 22b2b37b82223e5520e0e2f623352b7a149b0b5326ed66d2e787815196eee7a6 |
| Publication page | 661a07fdeba96cf230615d9ef967b21f703708f65404997cc254fdc7e3d69ce7 |
| Manifest | ab10a7d695f8d3511fac8cc57275f4182aee53f850da372cef52136a5b806465 |
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 | 8JrZgbGdBkbwj1UpzGZjtM02/UAbbPMCSMWZEjbQhs19W/fkGuYwjPv7Srdynyug4PfJD4NfrVWwRH0fc1/NBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:42:03.238219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027887observed 661a07fdeba96cf230615d9ef967b21f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:03.221558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027887/manifest.jsonobserved ab10a7d695f8d3511fac8cc57275f418...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:03.198402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027887/publication.mdobserved 22b2b37b82223e5520e0e2f623352b7a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:03.181578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027887/publication.txtobserved 1c29c70f687ca35bdc012110f7fb49cd...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. |
|---|