OpenTechnical

OT-2026-000089625

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000089625) never changes.

Identity and time

Publication numberOT-2026-000089625 · never reused
Internal UUID01a0ae9c-1a21-72b1-88a3-ef99fdcc9b3f · 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-2026-000089625
StatusPUBLIC

Content hashes

Canonical text3578595b60218fe2a099a3469c6e66541659c9b36ba3acc9053dd01489138b08
Markdown502f85447c220a15aaf925bfbffff0f1aaacc61b3f89bbef314e0ad90dfbb5b7
PDF
Publication page941e1a8a309dfd0385464d91bcc0d571915728eb557fa36f66ada5850927f3d4
Manifest4ac898d5212b399d6f88c24880e529d36f9fa48cc8f84112e836e755b91e0b23

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
SignatureofW9qcePEpCWvSP8ErF435fv/PcknSa52btnDckO0D/2RnHP54VhmAdyexUtb0Y9KGnsl5DhICFvD8UkCn0XAg==
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

2026-09-17T09:46:36.650130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089625
observed 941e1a8a309dfd0385464d91bcc0d571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.633636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089625/manifest.json
observed 4ac898d5212b399d6f88c24880e529d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.615578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089625/publication.md
observed 502f85447c220a15aaf925bfbffff0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.598164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089625/publication.txt
observed 3578595b60218fe2a099a3469c6e6654...
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.