OpenTechnical

OT-2026-000089514

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single 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-2026-000089514) never changes.

Identity and time

Publication numberOT-2026-000089514 · never reused
Internal UUID01a0ae9b-db02-7434-b246-1baf856fa6a2 · 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-2026-000089514
StatusPUBLIC

Content hashes

Canonical text12bb28fabe50a375c98795842afeb2cf2035c15f0762710485438e7e48263075
Markdown66a01e3964e3e5005bc0acc4c89d07ee6cc821444e8b635ec4dbf2be69ae65dc
PDF
Publication page572986bf60e738da8ed28aa9c6966ce653ec5929576e1254b2f08d3bec077295
Manifestbac63b9c22a4386b894210551d9c8e0e061bfcd3644c3052f3224ac85e0568c6

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
SignatureRFXjXJBkinAOfq7KIN9a9sluCRGe+YzzL8+nDE0L+7v6aCtB3KCPQmf/qY2eu9L0t4b3s9t53Spvq1AHOH5iAw==
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

2026-09-17T09:47:40.231917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089514
observed 572986bf60e738da8ed28aa9c6966ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:40.215038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089514/manifest.json
observed bac63b9c22a4386b894210551d9c8e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:40.197722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089514/publication.md
observed 66a01e3964e3e5005bc0acc4c89d07ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:40.179645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089514/publication.txt
observed 12bb28fabe50a375c98795842afeb2cf...
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.