OT-2026-000022848
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000022848) never changes.
Identity and time
| Publication number | OT-2026-000022848 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46ea-7cc1-8c21-77c585b58380 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022848 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1dac1b3211dd1e8e359cc6755d2d59767fcaae189fde4e3ff4ef2cf6b713fe99 |
|---|---|
| Markdown | ca3b994f221a5143f53e428c849bad604bb99b4c9ee34e45b5f23cb2f8ce7042 |
| Publication page | 356fd4cf53bcab0f54894eb158a2f25e3fca7a90cf24144b0a1027c36f2fc2b5 |
| Manifest | e95c82f3076d12ac8d87cebf20db0111b034aa125a27de5e801ba890c0a9b686 |
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 | Kk1fKue9WvMYjIevt0syrVRZaHLwIS7RPkvl0Acceinv2fukTRWQGpD5Y8vWetSgr9Fr1sT0zpmNxTPbDgE1DQ== |
| 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
| 2026-10-15T16:42:14.983774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022848observed 356fd4cf53bcab0f54894eb158a2f25e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T16:42:14.892753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022848/manifest.jsonobserved e95c82f3076d12ac8d87cebf20db0111...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:14.813047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022848/publication.mdobserved ca3b994f221a5143f53e428c849bad60...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:14.681468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022848/publication.txtobserved 1dac1b3211dd1e8e359cc6755d2d5976...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T20:42:09.884720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022848observed 356fd4cf53bcab0f54894eb158a2f25e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T20:42:09.808535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022848/manifest.jsonobserved e95c82f3076d12ac8d87cebf20db0111...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T20:42:09.671221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022848/publication.mdobserved ca3b994f221a5143f53e428c849bad60...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T20:42:09.559249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022848/publication.txtobserved 1dac1b3211dd1e8e359cc6755d2d5976...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|