OpenTechnical

OT-2026-000025860

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000025860) never changes.

Identity and time

Publication numberOT-2026-000025860 · never reused
Internal UUID01a0ae71-a83e-7796-98bb-eef74c69b93c · 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-2026-000025860
StatusPUBLIC

Content hashes

Canonical texta5dd1e6ac55dabda1d8c30b70c7357085990049d0d477d52c6bba277b826128f
Markdownd4a4f721da1fa2d65272c1007dae175a853620114214535646f35b4dc6531e39
PDF
Publication page000591e3087577c0b5542012e47682abf479d679a09823a2aa05bb6cf6a6241b
Manifest62a05cc7ac87362d8194ce663c1800a1d6da3f939ba77905fc332fd34d1e151a

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
Signaturej/tSw3vZ8tst4sDCtqarh9H3HBTtvn9eionQjLx4kRz9nR3X/KbIPDLGgyoMwQu1VMiZO53DxPp5dECTLY7ADQ==
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

2026-09-17T11:46:05.494928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025860
observed 000591e3087577c0b5542012e47682ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.476069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025860/manifest.json
observed 62a05cc7ac87362d8194ce663c1800a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.456518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025860/publication.md
observed d4a4f721da1fa2d65272c1007dae175a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.441511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025860/publication.txt
observed a5dd1e6ac55dabda1d8c30b70c735708...
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.