OpenTechnical

OT-2026-000025919

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000025919) never changes.

Identity and time

Publication numberOT-2026-000025919 · never reused
Internal UUID01a0ae71-a83f-77f5-bb60-df9b2b96ed5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025919
StatusPUBLIC

Content hashes

Canonical text5d515c3cc457d67d6d1526cfe83c9d8e4e66c380ad1a7246368a8365f2fff5df
Markdownb9a03674c4ce20900f3cacb40935807316ec6afbf89d80073e5d3e10dad114cb
PDF
Publication page288380f5e7b09adc6a7f4f73fdd5a82d6ea1746ae70b39fefe61680154123e2e
Manifestee4b2627ed7eef5c921c60c22f8af15ed4d2f718555fecdea641dadfdc381f57

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
SignatureKlZe0Tk5NFjVtbndRA0m1IUXs6LTm05Qb/0/otorFXE6t/P3B9FkwrBgfXolqQrd0ZgypKeXg9M8EVU+KALiCA==
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

2026-09-17T11:46:16.352172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025919
observed 288380f5e7b09adc6a7f4f73fdd5a82d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.333606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025919/manifest.json
observed ee4b2627ed7eef5c921c60c22f8af15e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.314738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025919/publication.md
observed b9a03674c4ce20900f3cacb409358073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.294945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025919/publication.txt
observed 5d515c3cc457d67d6d1526cfe83c9d8e...
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.