OpenTechnical

OT-2026-000089659

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089659) never changes.

Identity and time

Publication numberOT-2026-000089659 · never reused
Internal UUID01a0ae9c-1a22-7041-9f44-8e59e0ec43ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089659
StatusPUBLIC

Content hashes

Canonical texte1f3f9a51477651de3af04d25eaf114ddef588b67b196aaeb411e3d76902dcb0
Markdown07da1ca9f1ab27a660a08a7d5ebbf41bc0e10ab652a253f0a62ae721a94032df
PDF
Publication page8919895c0f35b546683b0f209922f0996fe886812113d568c4f04f069f19d2ff
Manifest45a60b677b162f7de2f29d6910f9432f7bc73958f3b157f98c097205ed6dcd46

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
Signature++dHTANjQQO/4FdUJTTWvLYiYsJkWjq1fiNRVgzjR9xm+79+6P6n1kjOp/Z8IoqjuTey1j0k60QlmyZNQPG4BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:39.122365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089659
observed 8919895c0f35b546683b0f209922f099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.107440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089659/manifest.json
observed 45a60b677b162f7de2f29d6910f9432f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.088771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089659/publication.md
observed 07da1ca9f1ab27a660a08a7d5ebbf41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.070649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089659/publication.txt
observed e1f3f9a51477651de3af04d25eaf114d...
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.