OpenTechnical

OT-2026-000031296

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000031296) never changes.

Identity and time

Publication numberOT-2026-000031296 · never reused
Internal UUID01a0ae74-87ac-7841-841a-e8242f5e8cb1 · 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-2026-000031296
StatusPUBLIC

Content hashes

Canonical textf9f08576d5307c2c5f83067b3b3cead5ec41c9b0dac2ea4b10df8c6e28d7d5c2
Markdowne69f4e9620b716d70f9c467e756b37e48ddb870d09e8411522c031aa125ea013
PDF
Publication page456bf739e4fa1f7893fc1e52c2184732db8fb23cd066a8f1c8ea0a4dae5ad05f
Manifestc883af448534632abb1e49790fcdb01adc406fb98aeed7d2da3864ebe528418c

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
SignatureRLmAWNnkJyhEuvtycnI2Esy3vUz2cTzWe6sBDhsvDRzlpwKSDQ/j6YMkmG8XXzDjff0J6mDB9+lkozq3h585Aw==
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

2026-09-17T11:35:52.986977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031296
observed 456bf739e4fa1f7893fc1e52c2184732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.969384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031296/manifest.json
observed c883af448534632abb1e49790fcdb01a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.949448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031296/publication.md
observed e69f4e9620b716d70f9c467e756b37e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.932423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031296/publication.txt
observed f9f08576d5307c2c5f83067b3b3cead5...
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.