OpenTechnical

OT-2026-000036971

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000036971) never changes.

Identity and time

Publication numberOT-2026-000036971 · never reused
Internal UUID01a0ae77-7740-75b1-bc5a-7a2e7a46881f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036971
StatusPUBLIC

Content hashes

Canonical text70b4871657e2d79e5e5ed4c5327d8c84d5f290db330dd15a42bfc6ea17cb5d86
Markdown665d27eeaa2858e4e43fd9c5966fc533479031b9c3d4601b209629e7c38b0e1d
PDF
Publication page9c80bf3388b33fa6773f25c0c2579b37d0b1f90308da0810d5df5b595d87bfc0
Manifest13f0a95bde77491ec82d6946b3da89a68358ebdcc35472e22a35861ff3247475

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature4d00df7d87s+v4YevQr4ZrBCbRj2GkvUwyWKb4omADZkuwfAHbg/yAnjzlMBqOWnB7UYzUs8oxrgSyM1w+3vDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:24:37.764727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036971
observed 9c80bf3388b33fa6773f25c0c2579b37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:37.748000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036971/manifest.json
observed 13f0a95bde77491ec82d6946b3da89a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:37.731004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036971/publication.md
observed 665d27eeaa2858e4e43fd9c5966fc533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:37.711816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036971/publication.txt
observed 70b4871657e2d79e5e5ed4c5327d8c84...
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 archivePending 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 packagePending Custody packages are produced weekly.