OpenTechnical

OT-2026-000013267

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed 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-2026-000013267) never changes.

Identity and time

Publication numberOT-2026-000013267 · never reused
Internal UUID01a0ae6d-6fc9-73b9-8eb5-a7b3d0a48fad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013267
StatusPUBLIC

Content hashes

Canonical text1714d0124daf44cb1f2e2584176a512c022916bf62714c6d1ef5b2fae9bd2414
Markdown79c64fe9c64796375e19ed6fd365eb4280c82d1221eb18b14fa904e6983ed090
PDF
Publication page059f94ce2d9ba6e7130dd3d631836b7b6eac55ab29066a4fd622186c216b8f13
Manifest22551e9325df9ad4a1625ed74d984565c128c3220e99177eb674c713dc1ed2be

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
SignaturevNUSZcH/4ST7jcreHpbYERTXrwzMxWn01VsRIau0/lKhtffJNU/wRQMnGAGNDXoGcrlc8W5NQrSgoqlKDWW/Cw==
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

2026-09-17T12:09:40.678182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013267
observed 059f94ce2d9ba6e7130dd3d631836b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.657997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013267/manifest.json
observed 22551e9325df9ad4a1625ed74d984565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.641634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013267/publication.md
observed 79c64fe9c64796375e19ed6fd365eb42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.622971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013267/publication.txt
observed 1714d0124daf44cb1f2e2584176a512c...
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.