OpenTechnical

OT-2026-000041555

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000041555) never changes.

Identity and time

Publication numberOT-2026-000041555 · never reused
Internal UUID01a0ae79-e89f-79d5-be19-2e6a61ea3fa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041555
StatusPUBLIC

Content hashes

Canonical text852ba3c1bce004f7a291368069a4e80b44799549a386f6ac555e1baaf6c68a8b
Markdowneebbaa25f9062b9ebcc9185471fb2ad827287e13292ea4ac86a697519bc15e6e
PDF
Publication pagee83aaebb0b61925d09cf599672abcd70c465e7e36788c6c686e724a8363e0aac
Manifest20d6625c419ba90ba16e334e07b6dd70739f86107dfad85c8b8f3ca875136eef

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
SignatureKttoQGvENXSd6TxhRzo6PFschsiudee+DjP5t83jtBu0hsA+CRs8+hSnrpKcVnQ7GI0r26BvzG7NuMBct4pkCQ==
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

2026-09-17T11:16:19.985699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041555
observed e83aaebb0b61925d09cf599672abcd70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.970533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041555/manifest.json
observed 20d6625c419ba90ba16e334e07b6dd70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.954355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041555/publication.md
observed eebbaa25f9062b9ebcc9185471fb2ad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.938367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041555/publication.txt
observed 852ba3c1bce004f7a291368069a4e80b...
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.