OpenTechnical

OT-2026-000020837

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000020837) never changes.

Identity and time

Publication numberOT-2026-000020837 · never reused
Internal UUID01a0ae6f-65e3-7c85-99d7-858470ea28ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020837
StatusPUBLIC

Content hashes

Canonical text200259e6b4f11c253c2cb725500c64e99d6ad086d43e33a66a5a412730cca728
Markdown6d308bd183af083b9986f9bfdc26cd761e470bac54e8e620c0ca5e4b28ebc56a
PDF
Publication page024a7dc13a8924caa6185d4d8e8a943b9ae6e500e99e459e5dfa892b2abf7b93
Manifestb7b0c45c112cdeb9d1a678280ae20a65e68617ab49d561b9ab01968cdbcedc32

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
Signature/iRd//PDfmCH5HqRY20NlpiNm9RVlliWFmHpJRyXcpejei+BnpJufKGSPDErNP3kgZyfMkOL74l1TFZjZlkLDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:56.000574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020837
observed 024a7dc13a8924caa6185d4d8e8a943b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.982887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020837/manifest.json
observed b7b0c45c112cdeb9d1a678280ae20a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.966718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020837/publication.md
observed 6d308bd183af083b9986f9bfdc26cd76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.948537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020837/publication.txt
observed 200259e6b4f11c253c2cb725500c64e9...
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.