OpenTechnical

OT-2026-000017399

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000017399) never changes.

Identity and time

Publication numberOT-2026-000017399 · never reused
Internal UUID01a0ae6e-76c9-7da4-8af9-8016fa938391 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017399
StatusPUBLIC

Content hashes

Canonical text9ad462eef1e38a967dc64f9528bece92bddf7bcb764479bff9dd1bc1aa0064b9
Markdown918ce7dd79e1d655f88c79227b55b0edec6618614865064689db750f2fabcdbb
PDF
Publication page7c96aaca356311065910a91834877f38deec12244bc314959b346c6c5f9905bb
Manifest1be6b37bbf5b8aab627d8f45420905222bd20a74a4f004cc3219a1ab9f4d7d91

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
SignatureTiD1Hd/Umro4jwdKr69kh9a/+ptFQi+qmV7KiUlCi8aXQuMij24x1aLEh2BEaMe60ZyaxE02cFBbJLylAW0uAA==
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

2026-09-17T12:02:31.514680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017399
observed 7c96aaca356311065910a91834877f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.499010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017399/manifest.json
observed 1be6b37bbf5b8aab627d8f4542090522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.482581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017399/publication.md
observed 918ce7dd79e1d655f88c79227b55b0ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.463616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017399/publication.txt
observed 9ad462eef1e38a967dc64f9528bece92...
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.