OpenTechnical

OT-2026-000089527

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold 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-2026-000089527) never changes.

Identity and time

Publication numberOT-2026-000089527 · never reused
Internal UUID01a0ae9b-db02-7b83-9eb5-6a4634832274 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089527
StatusPUBLIC

Content hashes

Canonical text4863e654ec744412ea8b9785a24dbff285c143602641b9840a1cd6a5872d8301
Markdownb297c0c9c0ced35c4f54af909ebe682c5a135dd11cf31af5298cd8fe6dbd7eb6
PDF
Publication page73c570f1ed3437a80b0f40708640cab3fa1b12110f7760a76673e3f5f75e80b6
Manifest4d54de5a74dc013947633ad8d8bf4177322c105ed9d20a3100e64b5d392465a9

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
SignatureM8DXr2hgzP/tg2koCYtk35s7NVJO5/Zo6uSCsHwdqGdIrDFAeEYp6HuBtiCAmpuWPE1fjpfiqbcWpYjdbq/5Cw==
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

2026-09-17T09:47:41.232107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089527
observed 73c570f1ed3437a80b0f40708640cab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.214872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089527/manifest.json
observed 4d54de5a74dc013947633ad8d8bf4177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.198828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089527/publication.md
observed b297c0c9c0ced35c4f54af909ebe682c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.181194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089527/publication.txt
observed 4863e654ec744412ea8b9785a24dbff2...
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.