OpenTechnical

OT-2026-000031099

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000031099) never changes.

Identity and time

Publication numberOT-2026-000031099 · never reused
Internal UUID01a0ae74-3fb8-7535-a0be-0f08d279827b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031099
StatusPUBLIC

Content hashes

Canonical text8c6cb31af43070f865d0586ede0a9148161a3ab6df1400e88bffa504c8f22782
Markdownedc1c1593fdd40da4e5c9f38f62ead03cdaa980dd049804c5e96ba861e0f43da
PDF
Publication page9ee501c76866205b29c09e26ef37dbf659ba0d62a5fc311b3210fd57462e7fc9
Manifest554392b274aa837443c9bb83b00343898e23d0cae8045f8f553cab70cd0c69a3

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
Signaturez9oarTZ0yjXOfFjbAiQ1nKzOxbkdxxx9etU9RgXcAe5S3FKXPAW8VuvUbKpT84o7SbU2mz/RT4VU5cMPrKPjCA==
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

2026-09-17T11:40:19.533911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031099
observed 9ee501c76866205b29c09e26ef37dbf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.514133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031099/manifest.json
observed 554392b274aa837443c9bb83b0034389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.493697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031099/publication.md
observed edc1c1593fdd40da4e5c9f38f62ead03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.472138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031099/publication.txt
observed 8c6cb31af43070f865d0586ede0a9148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.488105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031099
observed 9ee501c76866205b29c09e26ef37dbf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.469286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031099/manifest.json
observed 554392b274aa837443c9bb83b0034389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.452764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031099/publication.md
observed edc1c1593fdd40da4e5c9f38f62ead03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.432646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031099/publication.txt
observed 8c6cb31af43070f865d0586ede0a9148...
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.