OpenTechnical

OT-2026-000080222

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000080222) never changes.

Identity and time

Publication numberOT-2026-000080222 · never reused
Internal UUID01a0ae96-7e76-706d-bcc0-8f2ffeea9385 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080222
StatusPUBLIC

Content hashes

Canonical textb9ac089d0dc25257e82dde7d98613f99ac4fe66ff66e3fbba147bbd87f75233b
Markdowncd48c6e6808f4f1831807311e731e1d71a940da8abbe83bbd11ceb986bf5fbef
PDF
Publication page0289ee8fa1b6ac3fa71e44fe71c657114043ebe9f899e47350a4382bf64c2bbc
Manifestf4d93d646e4ac7d6904f133b844cb31378ddee9764690f13150a86eb115d5867

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
SignatureL8p032HxnAgS+363i/cQQYvdas26CE+8E6nRULCkCPv+ZpF6TDO+f4sSzYQ8fkNjHfgUOvFKKV+6a3M/+Dd4Cw==
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

2026-09-17T10:02:40.587295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080222
observed 0289ee8fa1b6ac3fa71e44fe71c65711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.570994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080222/manifest.json
observed f4d93d646e4ac7d6904f133b844cb313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.554575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080222/publication.md
observed cd48c6e6808f4f1831807311e731e1d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.536737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080222/publication.txt
observed b9ac089d0dc25257e82dde7d98613f99...
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.