OT-2026-000027998
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000027998) never changes.
Identity and time
| Publication number | OT-2026-000027998 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7662-b9be-e39ac5ca6af8 · 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-2026-000027998 |
| Status | PUBLIC |
Content hashes
| Canonical text | ed639b63b421c3228ed7cce59f4ab384cc6b49215389393c82028634a1a558b1 |
|---|---|
| Markdown | ae70990508ac72279215c70d10c91f1468360e3554a48f2e5550df80e6085978 |
| Publication page | 81179b8af83d70954e74e546e868b17d3d9feeffabe548f949f62fe76db163f6 |
| Manifest | 1f6e71efdb43de7723c8c02427056b235c21f6b5cd9833e5d58ac8619d6fb82a |
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 | laB3Vv9J2zEi5U2IGimY2QkhVDHsYTlsGLgh+jKE66GYIMl2F2lIYUzne50iAmbnaQKIkBGiKIkW/wyf663uDg== |
| 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
| 2026-10-30T08:41:53.738560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027998observed 81179b8af83d70954e74e546e868b17d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T08:41:53.687359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027998/manifest.jsonobserved 1f6e71efdb43de7723c8c02427056b23...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T08:41:53.607445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027998/publication.mdobserved ae70990508ac72279215c70d10c91f14...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T08:41:53.543320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027998/publication.txtobserved ed639b63b421c3228ed7cce59f4ab384...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:53.856074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027998observed 81179b8af83d70954e74e546e868b17d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:53.800337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027998/manifest.jsonobserved 1f6e71efdb43de7723c8c02427056b23...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:53.728971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027998/publication.mdobserved ae70990508ac72279215c70d10c91f14...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:53.578821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027998/publication.txtobserved ed639b63b421c3228ed7cce59f4ab384...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 |
|---|