OpenTechnical

OT-2026-000088642

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088642) never changes.

Identity and time

Publication numberOT-2026-000088642 · never reused
Internal UUID01a0ae9b-8f0f-753c-a18e-56311d5373f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088642
StatusPUBLIC

Content hashes

Canonical text482e57d726be6a588d720ae802a959a450085f30f883b865653559265882d5bd
Markdownc5bb9be2ce2aeba2cb5b037f6dedab7bba19f44a894b20acdd31d8d0bfb576a4
PDF
Publication page76699a167fca0c8055766032694edeca1d9fc14281438e5122bced14a8e712c9
Manifest870bcd399aea526de8663d93b1d20883da1ac3aa9334325bdbb9eaea0c494b13

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
SignatureVpVu/l5sMNcDalseT/UmJIjZip3uFi6a7ejieRcTllD4N6fODU9rryvLJM88/Q6zyqLLps/GvtWoPaEOT42QDQ==
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

2026-09-17T09:47:51.348785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088642
observed 76699a167fca0c8055766032694edeca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:51.332720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088642/manifest.json
observed 870bcd399aea526de8663d93b1d20883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:51.315168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088642/publication.md
observed c5bb9be2ce2aeba2cb5b037f6dedab7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:51.296907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088642/publication.txt
observed 482e57d726be6a588d720ae802a959a4...
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.