OpenTechnical

OT-2026-000041879

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000041879) never changes.

Identity and time

Publication numberOT-2026-000041879 · never reused
Internal UUID01a0ae79-e8a5-7d4c-98d9-5b289468ae42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041879
StatusPUBLIC

Content hashes

Canonical text08328f80cbe0f9268c6c31448b4f5c3a3cafc8b577d6b567e255d89214e3260d
Markdown3f1cc220b746c6bcd568b3496511521da03ec22d6c5509e7ca025b5fe524961b
PDF
Publication page3082ad562c92c1cc8ba0ab5047ebed83919001ddbe8cc3ca3aaa7c532399c46f
Manifest039ff0037f7c23103cdd74e7e0096b479a61fdadb5462427962b2086959f8d6b

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
SignatureFrxEkgxoHgJxZNmGbfN+yFB0cddYFHSn0JFNTmT4XXpnIGS2MRqfXQAbPGjmWxK5BryNB37zqxz9+uC+ROXpDg==
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

2026-09-17T11:16:45.233333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041879
observed 3082ad562c92c1cc8ba0ab5047ebed83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.215010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041879/manifest.json
observed 039ff0037f7c23103cdd74e7e0096b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.197040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041879/publication.md
observed 3f1cc220b746c6bcd568b3496511521d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.178809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041879/publication.txt
observed 08328f80cbe0f9268c6c31448b4f5c3a...
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.