OT-2026-000021023
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000021023) never changes.
Identity and time
| Publication number | OT-2026-000021023 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-7401-b84a-26a89706cd93 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021023 |
| Status | PUBLIC |
Content hashes
| Canonical text | b1221319f2f674bf3c09e68d7c6a46a99a347e803e7e80b4448f5f8855b8b724 |
|---|---|
| Markdown | 1cfc42278d9ceba2049353c23c34690755113767a1eccc5e41e2130365a3cca4 |
| Publication page | e429c5995e39a16dd8f29d6de5eb381ea84d38d0bd3bb95598bd0563ea9adabd |
| Manifest | 18f66a67470050a119ed9c590520672c0468f5435c737aba9b217340cfb1a6f2 |
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 | Uela+cL0ohX1uCG1z7Lzqc6i8W6DC9/i2fC4fbmoAjO29QfVPq1sZchHGVgn3C6UPlTN/YI8Sit3stq9ZP8nCg== |
| 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
| 2026-09-17T11:56:08.006004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021023observed e429c5995e39a16dd8f29d6de5eb381e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:07.988646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021023/manifest.jsonobserved 18f66a67470050a119ed9c590520672c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:07.969880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021023/publication.mdobserved 1cfc42278d9ceba2049353c23c346907...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:07.952497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021023/publication.txtobserved b1221319f2f674bf3c09e68d7c6a46a9...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. |
|---|