OpenTechnical

OT-2026-000031577

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after set-down

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-2026-000031577) never changes.

Identity and time

Publication numberOT-2026-000031577 · never reused
Internal UUID01a0ae74-87af-7c6b-9f40-08b3c3725b88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031577
StatusPUBLIC

Content hashes

Canonical text0a1bff2b0742c8d46c3faf45eaafc256eb968a7b05ced1b398b415f98712c79f
Markdownda870f4aa3e4dc8e0db6953e397664bae2f243ebe76a9f2534c0b1cee6037efc
PDF
Publication page7afc264659f6b73dabb9fd639b7cc3d9bc21983e48417760617c1b51e930f165
Manifeste5a08e4862a54f344713fa998311fb20669822ff3bc99ee90e0f6a7bacd63882

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
Signature07eVrjDFWaQC9DF72zWHNEyN0OF28kpZ/rR5UpWvEZULbJSPThpJqfav59BF4/ujTcztG+cH7VIu3/mUADsnBw==
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

2026-09-17T11:36:25.736743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031577
observed 7afc264659f6b73dabb9fd639b7cc3d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:25.719674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031577/manifest.json
observed e5a08e4862a54f344713fa998311fb20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:25.700035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031577/publication.md
observed da870f4aa3e4dc8e0db6953e397664ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:25.681267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031577/publication.txt
observed 0a1bff2b0742c8d46c3faf45eaafc256...
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.