OpenTechnical

OT-2026-000008005

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, vented 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-2026-000008005) never changes.

Identity and time

Publication numberOT-2026-000008005 · never reused
Internal UUID01a0ae6a-908b-7125-9933-c7eaf7e5598b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008005
StatusPUBLIC

Content hashes

Canonical textf6affaa62c4f042e1e781fd2b5133736f1a530ce61a9dc3023b3e42908de3d41
Markdown088194aba321479e9ee1f782a29b346bedceb4529c3f0ee285281bdf2b3ef611
PDF
Publication page21ac235b2dcdc4d03d5248ef2a50b59a030141c3c4849f5320a76e1c57aa3804
Manifest614bdfc11d3cbe63d6ac13a2934440a12ec414a2585731c73d6d0e41fdd33391

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
SignatureEV94c6X1Kb2v8zIUzf398O2XpEwaVPYOLQf75ET8wDtLPYpCmvXI+rs2TmCy/qzbSH20P9R1rUodLoDxuRlIAg==
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

2026-09-17T12:20:08.058992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008005
observed 21ac235b2dcdc4d03d5248ef2a50b59a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.040613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008005/manifest.json
observed 614bdfc11d3cbe63d6ac13a2934440a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.020602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008005/publication.md
observed 088194aba321479e9ee1f782a29b346b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.999686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008005/publication.txt
observed f6affaa62c4f042e1e781fd2b5133736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.399293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008005
observed 21ac235b2dcdc4d03d5248ef2a50b59a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.381200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008005/manifest.json
observed 614bdfc11d3cbe63d6ac13a2934440a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.363427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008005/publication.md
observed 088194aba321479e9ee1f782a29b346b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.346010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008005/publication.txt
observed f6affaa62c4f042e1e781fd2b5133736...
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.