OpenTechnical

OT-2026-000033991

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000033991) never changes.

Identity and time

Publication numberOT-2026-000033991 · never reused
Internal UUID01a0ae75-df0b-7d34-9ffa-a0a37402623b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033991
StatusPUBLIC

Content hashes

Canonical text2d35e3e6ff9a27161e250b70f10b970736a1f4b339edccedb20499d07fb81de2
Markdown0457d68d208852378888ceaf8f6ffe56d57bb956368430e20a8e6c703a831e85
PDF
Publication pagec03d6729b52b0477525fa3ba28c54c1e4e59f51a45a368c57c6367fbc2d50499
Manifestd7c4d346d513c5490faa48ff7f7d815d5f1fc8b7d066f259db2262e493d3fb7d

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
SignaturePEeA1bmRdAxZXY0yYkZYQTevE4WC05UJhll5p6FcZsSVjm7memlVqtPRu5CJgCmp0Z+HQrR6Ji3jhYTVI982Cw==
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

2026-09-17T11:30:07.915161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033991
observed c03d6729b52b0477525fa3ba28c54c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.898224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033991/manifest.json
observed d7c4d346d513c5490faa48ff7f7d815d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.881512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033991/publication.md
observed 0457d68d208852378888ceaf8f6ffe56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.852844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033991/publication.txt
observed 2d35e3e6ff9a27161e250b70f10b9707...
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.