OpenTechnical

OT-2026-000008943

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000008943) never changes.

Identity and time

Publication numberOT-2026-000008943 · never reused
Internal UUID01a0ae6b-31b7-7733-9205-46e914b7720f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008943
StatusPUBLIC

Content hashes

Canonical text59c7cbeda3328b1420957f16d551aa4677e6137c97697d0502007657ad7b9e9b
Markdown0eedfeb75dae6769a3c179ec8ff6f92fcbc7458f7b787019cf15dbb2fa0d6fb6
PDF
Publication pagef06abe13e7e47a80866aada95512a59c83fecf399a908854a1328f1137b29c71
Manifestf04f17064570c67845368dd3544c18849d69c2bd60eea692706def760c91bce1

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
Signature7CS0Ol0MyH89u1mbVvw+c20kUeWc9B31aa2czBUd3lYe6y6Q6f3Kti1/iKYdrXZSBPWsvb+en1cVL2lukwLEDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:33.326690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008943
observed f06abe13e7e47a80866aada95512a59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.307046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008943/manifest.json
observed f04f17064570c67845368dd3544c1884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.289049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008943/publication.md
observed 0eedfeb75dae6769a3c179ec8ff6f92f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.270639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008943/publication.txt
observed 59c7cbeda3328b1420957f16d551aa46...
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.