OpenTechnical

OT-2026-000085550

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000085550) never changes.

Identity and time

Publication numberOT-2026-000085550 · never reused
Internal UUID01a0ae99-aaac-7113-96d4-beb0bbb639a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085550
StatusPUBLIC

Content hashes

Canonical texta8c7b4a4eaf4491014fab752b2ca5278ac2652ae8826e4304cc950a652709a80
Markdown1a9100454fed5167b63fb62b452c2535db2e9fb93d2d1b00469685e5fed38365
PDF
Publication page2b386ea367c56228eb1b1810885d76ce988e1a91402299190b4de7ce051bfde5
Manifestbac60d9dbfcaa3694c987216d7933bc1552bc03a527ffeaf55e2e85589a927de

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
SignatureIH6n20MIjQC1zZDIoIMOvFHllBNqNbT1oS6fXKMRSMlKabqgOOHmSd5ZiwLGcp5D9wQVtaaPZSwXfqBUSKOmCQ==
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

2026-09-17T09:54:22.188709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085550
observed 2b386ea367c56228eb1b1810885d76ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.170775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085550/manifest.json
observed bac60d9dbfcaa3694c987216d7933bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.155209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085550/publication.md
observed 1a9100454fed5167b63fb62b452c2535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.139612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085550/publication.txt
observed a8c7b4a4eaf4491014fab752b2ca5278...
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.