OpenTechnical

OT-2026-000031015

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000031015) never changes.

Identity and time

Publication numberOT-2026-000031015 · never reused
Internal UUID01a0ae74-3fb7-7eb9-aadc-804a475cf911 · 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-2026-000031015
StatusPUBLIC

Content hashes

Canonical text9c624667ec03923b042ee54cb0d3b0b51cf5b012bb45ab4fbfe1b64522510ba5
Markdown6f9d06d13bbd16d3e161393daf28bbe2df60dc21c8c1e647e07f6721451a46ec
PDF
Publication page13ebb6fc953d70b16fd29acdd80d78d008128a50b27f8db2db5c2b52de6fef8a
Manifest598caa717bad4bf7c1ba94119326134df9073f72f16e63f5fdc9d8d559690c33

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
SignatureqBf3W6p/EgGDxmUeh6kjqMU7sGw6VejuPPQdrctJg8/Ezt5DNE5Ho5x1ds8ITx6YR575SEDa/aDXVJc8oHOvDA==
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

2026-09-17T11:40:06.388671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031015
observed 13ebb6fc953d70b16fd29acdd80d78d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.371763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031015/manifest.json
observed 598caa717bad4bf7c1ba94119326134d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.350830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031015/publication.md
observed 6f9d06d13bbd16d3e161393daf28bbe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.331683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031015/publication.txt
observed 9c624667ec03923b042ee54cb0d3b0b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.429540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031015
observed 13ebb6fc953d70b16fd29acdd80d78d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.412092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031015/manifest.json
observed 598caa717bad4bf7c1ba94119326134d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.395835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031015/publication.md
observed 6f9d06d13bbd16d3e161393daf28bbe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.374528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031015/publication.txt
observed 9c624667ec03923b042ee54cb0d3b0b5...
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.