OpenTechnical

OT-2026-000022917

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000022917) never changes.

Identity and time

Publication numberOT-2026-000022917 · never reused
Internal UUID01a0ae70-46eb-7717-ad1f-e01518ab8315 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022917
StatusPUBLIC

Content hashes

Canonical texta6aa62de0fa01ac57e5c9c37fedeedd1c3277c1cbc137cdf2a9ad0254af958fb
Markdown63b2d23324ba46b1dfea80a926c745a801fa103e90fc082d03aa013ebb951006
PDF
Publication pagee6c3b3fb8390b1b4034ac721c81423f16cfc30d2a3a2dae4eb0e66429774993e
Manifestf1a7917722ad5e5cfadf0b9eddc92cafe5fe84f8135c63834f8cb76ade783442

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
Signaturen1WDrNAfx/y9pjJSIprC+spZ6Smb0nVUpRJ+bSf3JbONlsZUxfr2zl22LY6LPb/em37cAobNtxW5qOSqTlZTBg==
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

2026-09-17T11:52:29.604208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022917
observed e6c3b3fb8390b1b4034ac721c81423f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.585966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022917/manifest.json
observed f1a7917722ad5e5cfadf0b9eddc92caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.568513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022917/publication.md
observed 63b2d23324ba46b1dfea80a926c745a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.549139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022917/publication.txt
observed a6aa62de0fa01ac57e5c9c37fedeedd1...
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.