OpenTechnical

OT-2026-000087547

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, supply line 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-2026-000087547) never changes.

Identity and time

Publication numberOT-2026-000087547 · never reused
Internal UUID01a0ae9a-cd52-782a-8669-74ab04a0bf40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087547
StatusPUBLIC

Content hashes

Canonical text5740a9a570b8e59dc4295a6b079aea3506a1e51a8b056237c1c604a2fe470207
Markdownab939fa48d50889808f85f501f40f2f1fdf3f4d6077cb2ce303897b626ac20de
PDF
Publication page1013dd6d1c3d4ad45d015cfc1ead958dc0f24189b303a6fae1e2e17d83347a19
Manifestbfd05cf12a00c5991a4d4fce21f11b459d4dd4a9282c944a5dad38c2689369fa

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
Signature6tbdg2BQCT4JLUjkWgOwt76cop/kr4ims9uJQZj16iKpLa/lQ1poMzxFeT3xCyD+kpfMIbZTIH8XbO3vNWzFCQ==
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

2026-09-17T09:50:53.327077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087547
observed 1013dd6d1c3d4ad45d015cfc1ead958d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.311803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087547/manifest.json
observed bfd05cf12a00c5991a4d4fce21f11b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.295640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087547/publication.md
observed ab939fa48d50889808f85f501f40f2f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.278244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087547/publication.txt
observed 5740a9a570b8e59dc4295a6b079aea35...
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.