OpenTechnical

OT-2026-000076330

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000076330) never changes.

Identity and time

Publication numberOT-2026-000076330 · never reused
Internal UUID01a0ae94-6a70-7b6f-944d-a2b729dce296 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076330
StatusPUBLIC

Content hashes

Canonical text06422dc6b22ca586a111769f0af9a6c786e2568de4e86f044f0245cf39397862
Markdownd0f2b40545ae3f14a6dc2b5e4256825011b5d6c7562388ea70abe219b47c90fd
PDF
Publication pagefafc13dc2a0884007f66f5456500f41db20f44a1fa319261ef29319de69b8064
Manifestaff2495a668ba7595fdfdfe1f432df9da35192a2cf9ea3157807869e3802184a

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
SignatureeWBP/X6QGhcKd0hkLMEPZqav5XuCOMwAYOmzTSJHUF8KTaV92/4H6hQZ93m0oBoYIflCFSMGT3iCuP6xHZs8Ag==
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

2026-09-17T10:12:11.130839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076330
observed fafc13dc2a0884007f66f5456500f41d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.112115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076330/manifest.json
observed aff2495a668ba7595fdfdfe1f432df9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.095249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076330/publication.md
observed d0f2b40545ae3f14a6dc2b5e42568250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.074269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076330/publication.txt
observed 06422dc6b22ca586a111769f0af9a6c7...
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.