OpenTechnical

OT-2026-000031716

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000031716) never changes.

Identity and time

Publication numberOT-2026-000031716 · never reused
Internal UUID01a0ae74-bad0-7ada-8f4b-c11d34318ef8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031716
StatusPUBLIC

Content hashes

Canonical textdafea6794f21ccb6b8ebee8e2302f36cd2eca181b474107b9777b47462220f1a
Markdown0f3feb998a694d375b84686ff33dc24813e63f9ca107965c469cee0904318ad7
PDF
Publication page2d6dd9cd07f208b11cba968a2dcaf80d1f7c60f2230270e921c57a2eef745b8e
Manifest05a1f58f00118a889195c8aa77674b9a984ff7f056a83de4492ff81d545c13b2

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
SignatureJO1hIJYzb/25jGGD3VTCT+dfPgG3wZRWi5Di3Ly3jqVF3FP97+eE6Xe80KG+Y4lepO2Ld4THVbn2UuCDDDXSBA==
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

2026-09-17T11:34:49.603454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031716
observed 2d6dd9cd07f208b11cba968a2dcaf80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.584682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031716/manifest.json
observed 05a1f58f00118a889195c8aa77674b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.568194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031716/publication.md
observed 0f3feb998a694d375b84686ff33dc248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.552832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031716/publication.txt
observed dafea6794f21ccb6b8ebee8e2302f36c...
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.