OpenTechnical

OT-2026-000075575

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000075575) never changes.

Identity and time

Publication numberOT-2026-000075575 · never reused
Internal UUID01a0ae94-29fc-71e0-ac9e-55b11f36f092 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075575
StatusPUBLIC

Content hashes

Canonical text0755e9b1599f08e6fd38549cfd273cf380631bfcf9c9015720ac5d3199d4665b
Markdown80a13b271200228652134b0e198874535a2f6c11326a079f5b32bc2ecd0fc92c
PDF
Publication page27e22f6a17e19a256e4a50d0aabad5184fdc53f86d14a002940d7fdba01734a7
Manifestf683ba2ab2ecd04bc44388d429c05559ae6f4113b9a6a832b3005c5c83621624

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
Signature0k1YhlSxyHaN2XX6eS2JY75FLaPvFwGQ8iP3vNOrNKNH9G+KPIdA5nuECXtOl71f8vOJyLQ0tdfSrp0+DWPrDg==
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

2026-09-17T10:13:11.313178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075575
observed 27e22f6a17e19a256e4a50d0aabad518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:11.294711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075575/manifest.json
observed f683ba2ab2ecd04bc44388d429c05559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:11.273982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075575/publication.md
observed 80a13b271200228652134b0e19887453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:11.253557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075575/publication.txt
observed 0755e9b1599f08e6fd38549cfd273cf3...
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.