OpenTechnical

OT-2026-000082501

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, sustained 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-2026-000082501) never changes.

Identity and time

Publication numberOT-2026-000082501 · never reused
Internal UUID01a0ae97-8cc7-718e-b30f-a668006b152e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082501
StatusPUBLIC

Content hashes

Canonical text86b6dc9f9cbaff562323a2763d110306cd11203c64debebb4d679a8b0d72c362
Markdown9b4771f873c80fdc931333130d091322abb5ae1f9a2144f8f4b2db1c61a67e2b
PDF
Publication page19f336fa86d1d3b4ff4302e3dbb55bc70786aae7371d767766c9e704ccf0a0b9
Manifest6a16af8d7bd330215a0e24c22a38c219515fa3ad44b848a67dec1a75f70cea2a

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
SignatureEfmtgXJyBVd90zu0f0m4ooVCP/RGBPHgASn26sP/pi7eSCeKM1p2a2zK4vcX7GRuVQvXVjTTLEPb51jkKtDdBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:55.888865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082501
observed 19f336fa86d1d3b4ff4302e3dbb55bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:55.870802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082501/manifest.json
observed 6a16af8d7bd330215a0e24c22a38c219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:55.851845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082501/publication.md
observed 9b4771f873c80fdc931333130d091322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:55.830980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082501/publication.txt
observed 86b6dc9f9cbaff562323a2763d110306...
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.