OpenTechnical

OT-2026-000073290

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073290) never changes.

Identity and time

Publication numberOT-2026-000073290 · never reused
Internal UUID01a0ae92-efb7-7ee1-9352-5660dbaaa7df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073290
StatusPUBLIC

Content hashes

Canonical text5b9f97b627f2de99b288701194cf95e0a781b44a7337e7f1dbb4560dbd11a9f3
Markdown3400650733eb469f8445ae4d1b360744f515f2b5ebef841cdd676ccb74e4a73d
PDF
Publication pageff883a8e1fddfc014827e4766a532b480758f5f1927fc1d09808415d89108264
Manifestb5536a806b8aa63fa51939fb532c06f79a25ec8de9356ed63398a86d58d2359b

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
SignaturetFLSp726qqUnxa++YqMBjk7Q2N53tFW93tpFZu4PzQIBNC0vTsRRkMFBRG+V8VTwHYv2ddUc3aVzl8Oe9SgMCw==
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

2026-09-17T10:21:17.877692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073290
observed ff883a8e1fddfc014827e4766a532b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.857790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073290/manifest.json
observed b5536a806b8aa63fa51939fb532c06f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.838497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073290/publication.md
observed 3400650733eb469f8445ae4d1b360744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.819579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073290/publication.txt
observed 5b9f97b627f2de99b288701194cf95e0...
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.