OT-2026-000019558
Publication integrity record
Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000019558) never changes.
Identity and time
| Publication number | OT-2026-000019558 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-73dc-9ca9-fa708aa4c43e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019558 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7a9d12fe51b83e8f76c0199a1b4b620815ddf85119675eea8278ca7c4a2bd0c5 |
|---|---|
| Markdown | 9718267542b2c2447f936cb86cff410121ae2533c367644e6a2f74091f04881a |
| Publication page | 28dad5ffdff63613b87a75d1c18765c6a662b0490a5fe952df32a1f723700f83 |
| Manifest | a6fa13314c700c00d326b3206d14d2d1658be337251061c1a20a0f37ebc3aeb5 |
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 | VRZEpNYC+BftcoxHUZziOkRG2f4aCE1zdjibbu1eNGpHNz3xg/0Ra3BcgR2cNbxSWE1amd7P8eF1ididK+NwCg== |
| 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
| 2026-09-17T12:43:25.785469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019558observed 28dad5ffdff63613b87a75d1c18765c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:43:25.598999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019558/manifest.jsonobserved a6fa13314c700c00d326b3206d14d2d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:43:25.358149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019558/publication.mdobserved 9718267542b2c2447f936cb86cff4101...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:43:25.152092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019558/publication.txtobserved 7a9d12fe51b83e8f76c0199a1b4b6208...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:00.136836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019558observed 28dad5ffdff63613b87a75d1c18765c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:00.118970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019558/manifest.jsonobserved a6fa13314c700c00d326b3206d14d2d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:00.101703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019558/publication.mdobserved 9718267542b2c2447f936cb86cff4101...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:00.083714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019558/publication.txtobserved 7a9d12fe51b83e8f76c0199a1b4b6208...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. |
|---|