OpenTechnical

OT-2026-000025686

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000025686) never changes.

Identity and time

Publication numberOT-2026-000025686 · never reused
Internal UUID01a0ae71-9bc9-7eb7-aded-b1a74f4b544a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025686
StatusPUBLIC

Content hashes

Canonical text73aafdb949d401f86785078a414bcb0d2aedd9cf8b3e6a961f96eefba15e911b
Markdown53daf78c7535a2585d6469f5d164db733d8d592286915ec0ef979a57ff07b070
PDF
Publication page6a5e9262a12e48d551cb3c3c345136f41adaf7ec7362f794bf025d51aa020330
Manifesta90b53a335196fdddc83758fdc80d8b25932b2a1b00b575d7d3e248a21191309

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
SignatureOZ3BnXcC/bVALn90Q3u3GpgrzMND6B7lGWIv/263n1lya4kPjdvUzJln4uevP/y961IhipC9Vfsqqy6LkvAQAw==
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

2026-09-17T11:46:53.831412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025686
observed 6a5e9262a12e48d551cb3c3c345136f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:53.812030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025686/manifest.json
observed a90b53a335196fdddc83758fdc80d8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:53.792846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025686/publication.md
observed 53daf78c7535a2585d6469f5d164db73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:53.773993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025686/publication.txt
observed 73aafdb949d401f86785078a414bcb0d...
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.