OpenTechnical

OT-2026-000048374

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000048374) never changes.

Identity and time

Publication numberOT-2026-000048374 · never reused
Internal UUID01a0ae80-4de4-7f2a-8082-f86d3dd0e8cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048374
StatusPUBLIC

Content hashes

Canonical textb67108261732cb6bfe211cc601fbbbaa57c0421b0b5a82d06e2e1559b7acc70d
Markdown5b4a987bba6a8c3a9a82bf4a1e0f0be5d9bfd8dbc79dbbeb41ef3797506eb4a4
PDF
Publication pagec7267207a292ebc5125a5c18743010424f17d8953bd2fc1a5f0eb31832e04290
Manifest22f6d9818b0b4eac324b3b751c53617c6d84dd35fde0b45d14d25000587e83a4

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
Signatureo/VWOR4g9ZA56amkXEaGVqFPADPrw5dEANhA7CR5/g1oUlgXeeQdu/BSU6ZgWk+BcyZnh3v/V18B0o48JmsdCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:59.991783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048374
observed c7267207a292ebc5125a5c1874301042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.972537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048374/manifest.json
observed 22f6d9818b0b4eac324b3b751c53617c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.951806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048374/publication.md
observed 5b4a987bba6a8c3a9a82bf4a1e0f0be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.933151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048374/publication.txt
observed b67108261732cb6bfe211cc601fbbbaa...
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.