OpenTechnical

OT-2026-000050610

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000050610) never changes.

Identity and time

Publication numberOT-2026-000050610 · never reused
Internal UUID01a0ae82-5c4a-7cbb-8f31-f07afc6d18ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050610
StatusPUBLIC

Content hashes

Canonical text9cc4b62690c5adcb8745b64874048015bae6363bb91f94f9c91dec6257955cfb
Markdown64008c279498a055338ecffe998470a74a2e3b6b439846d52ffe52268e39ab6a
PDF
Publication pagef5206eb243d4e65b1a7716029c9505f0191b8b24d9489a4d1f3c47803f6dc018
Manifestd65d3fb2132907331dd035f568e7a0eba68b77c9aed29b1b5122ac178bd42d96

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
Signature2yFBSQNuxdoyhr+KjtolbyIYG/3cPHb9+KL2w5skH7RV0Dh8GSEr3s/CkNneG74i8QZLLX9Suf4i43jwPwEiDw==
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

2026-09-17T11:01:43.154699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050610
observed f5206eb243d4e65b1a7716029c9505f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.137873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050610/manifest.json
observed d65d3fb2132907331dd035f568e7a0eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.121084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050610/publication.md
observed 64008c279498a055338ecffe998470a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.103446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050610/publication.txt
observed 9cc4b62690c5adcb8745b64874048015...
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.