OpenTechnical

OT-2026-000027623

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, 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-2026-000027623) never changes.

Identity and time

Publication numberOT-2026-000027623 · never reused
Internal UUID01a0ae72-6999-7d2f-a196-ebf236bfcccd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027623
StatusPUBLIC

Content hashes

Canonical text8ffca7731b24a1596a4c89fe111c13dd98d2e0e3b1a4e314a80b458b45ae9e36
Markdowndaba3d5decf4ca6c1766762737538d500258a9ac8046eadbaae2dddc0269c8d2
PDF
Publication page7cbb0ef906bea32faafb0a12b4d89afe5cbad7ecd90006a8561097c01fdf7c9b
Manifest1174b8f012c0c2d9b47c6a9445a2b722664758a99d119b68669ef892501a3922

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
Signaturetc9gUZ56SJ8ZENajBJp3iZPgf9KkpQ4r6r9nQlIfKnGy7WixzGk+0YB8k+BVa66WwdG1oAjx7MIU5wx7JaWmAA==
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

2026-09-17T11:43:08.613879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027623
observed 7cbb0ef906bea32faafb0a12b4d89afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.596174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027623/manifest.json
observed 1174b8f012c0c2d9b47c6a9445a2b722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.577852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027623/publication.md
observed daba3d5decf4ca6c1766762737538d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.561304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027623/publication.txt
observed 8ffca7731b24a1596a4c89fe111c13dd...
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.