OpenTechnical

OT-2026-000062475

Publication integrity record

Four cup vacuum gripper, four zone face, four 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-2026-000062475) never changes.

Identity and time

Publication numberOT-2026-000062475 · never reused
Internal UUID01a0ae8c-0ac0-7a4c-8b43-e1b8cccd99f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062475
StatusPUBLIC

Content hashes

Canonical text66a7a4935664f1f3d76d859ac7e7013a6f05f650b2ecb48f3bf78c5fef66d163
Markdownf7f9471cf5fe6622036a215a6088197c5ffdeb0879319f78e3cde8731a52fc62
PDF
Publication page67a8264417b40c7261bb72fd81a4a286f91cd5fdd9a8c77b9719e166f8880917
Manifeste91625fd006f67bd282a95b45b6e4d578bb7f5219b38500d4bdc5f0813de92b0

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
Signaturegdw2eZpLjKKg7Ap1pFyiyzZKEtCx7o06LvPfEyX0SlRfC/n4+idpxee5bGOW14SFAAsElftc6jDULIFrFdL2Dw==
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

2026-09-17T10:39:49.757934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062475
observed 67a8264417b40c7261bb72fd81a4a286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:49.737410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062475/manifest.json
observed e91625fd006f67bd282a95b45b6e4d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:49.719873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062475/publication.md
observed f7f9471cf5fe6622036a215a6088197c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:49.701612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062475/publication.txt
observed 66a7a4935664f1f3d76d859ac7e7013a...
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.