OpenTechnical

OT-2026-000089652

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089652) never changes.

Identity and time

Publication numberOT-2026-000089652 · never reused
Internal UUID01a0ae9c-1a21-7398-92d4-f66dff65b0dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089652
StatusPUBLIC

Content hashes

Canonical text82ea79693978a3dfe0f78781312ec96a5db386b43389380a5dcb538b0b1a2fe1
Markdown914574b58244f451b9625e3e9eddb9c0c0f39f065903f333bddd7d3d20515a79
PDF
Publication page79c802665cb3e0013831ec59b180f7c1423008af29052ad1161e55c22524091d
Manifestd9c395e75c804c01571cb61e2a0c4721ce0a020a6d551f78921ce54e5b5ed3f1

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
SignaturezCVN/5Hqpav0h8Qo6tVMxSPMBFx4exmW65iEEFMDTlnqR55FbNwycZAIVhApbkHHF+ZhzMGrciw0MGYHdyGgDQ==
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

2026-09-17T09:46:38.600509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089652
observed 79c802665cb3e0013831ec59b180f7c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.583018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089652/manifest.json
observed d9c395e75c804c01571cb61e2a0c4721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.564315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089652/publication.md
observed 914574b58244f451b9625e3e9eddb9c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.546634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089652/publication.txt
observed 82ea79693978a3dfe0f78781312ec96a...
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.