OpenTechnical

OT-2026-000049446

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000049446) never changes.

Identity and time

Publication numberOT-2026-000049446 · never reused
Internal UUID01a0ae81-8f7c-7bc7-a545-517bdb81e6b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049446
StatusPUBLIC

Content hashes

Canonical texte88dee13cc41dc1c3b4f5d59086291b3872f80606c43c1a3276eba8bb08389e1
Markdown4f087943b0b7534cff7ca7668e88caf20907a7e3033a6cfd4dd9f1019296b6bb
PDF
Publication page46845c42fafb6ac6916f08d409de7f37999632fe8baa90871d091f1456cd4944
Manifest4e085aceb2ea36686d767ca281c1d6ddd76b7f6dab5cfd684e5f293bc4a9026e

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
Signature7V+HPwH2oztPPqWEPCwEbiuFLPptXqVyvCkfxjP08y83I9M4nTAVpxiR7YQyBuxl05wq97kvRs4UWyRB4ncQCA==
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

2026-09-17T11:02:16.818461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049446
observed 46845c42fafb6ac6916f08d409de7f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:16.798608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049446/manifest.json
observed 4e085aceb2ea36686d767ca281c1d6dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:16.781698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049446/publication.md
observed 4f087943b0b7534cff7ca7668e88caf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:16.763546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049446/publication.txt
observed e88dee13cc41dc1c3b4f5d59086291b3...
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.