OpenTechnical

OT-2026-000015334

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000015334) never changes.

Identity and time

Publication numberOT-2026-000015334 · never reused
Internal UUID01a0ae6d-ef49-7a53-9fb2-86596e51aa56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015334
StatusPUBLIC

Content hashes

Canonical text8d9680a15c378e76fe8633442d1d057e15c8198381895d2d25587a9a63897991
Markdown3b7a35f5a036161a8c22bef65393ffc72215d918b7ac229b9aceade9c5129ff9
PDF
Publication page07f2ff2e6be432296d388bd6c017c6f9cd1ddcb6fc631544aea88bc77f5348f1
Manifest6a3fce68885ea8d607ae8adc3e60f4faab7da435d2351d6c2763afa1b6b8702e

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
SignaturefKwkHEgTqTAWfkz7HLbs4wQI7RlEFWUZhe7f//AHpoRWmv6SbxtdzgSQgJB85FPmpf13X44Ixb02Nz6zdVBPCA==
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

2026-09-17T12:06:02.093090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015334
observed 07f2ff2e6be432296d388bd6c017c6f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.074125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015334/manifest.json
observed 6a3fce68885ea8d607ae8adc3e60f4fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.054953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015334/publication.md
observed 3b7a35f5a036161a8c22bef65393ffc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.032843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015334/publication.txt
observed 8d9680a15c378e76fe8633442d1d057e...
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.