OpenTechnical

OT-2026-000012293

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000012293) never changes.

Identity and time

Publication numberOT-2026-000012293 · never reused
Internal UUID01a0ae6d-39f5-7b66-a066-c4c2de6caa8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012293
StatusPUBLIC

Content hashes

Canonical text5b0f9564b1792b6aa91f9d879e8a4e525448be1d33f8d6717637216cd5cfa77a
Markdown94f080edea2d1b3c6226956ab9648bd6bbb61c11e23cd013145f87d70c8a6179
PDF
Publication page885ea2dec20e733f0955125ae2f231817e187daac7d3e206ba27fd8be554f7c7
Manifest6530cd7e76981a29bda30248d172e4b110fb41fbb6fb25ddd2c9851ccb5b80e1

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
SignatureE7Rmh264HnkVfzlcR+8cPdeR74XfbSgXNFk/Y29KPZ3XEWvFafgDm2JUKleG52nnlISMJ/TPUNT4BwdLcDkSCg==
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

2026-09-17T20:41:11.649827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012293
observed 885ea2dec20e733f0955125ae2f23181...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:11.516925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012293/manifest.json
observed 6530cd7e76981a29bda30248d172e4b1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:11.277597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012293/publication.md
observed 94f080edea2d1b3c6226956ab9648bd6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:10.984776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012293/publication.txt
observed 5b0f9564b1792b6aa91f9d879e8a4e52...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.112797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012293
observed 885ea2dec20e733f0955125ae2f23181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.095352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012293/manifest.json
observed 6530cd7e76981a29bda30248d172e4b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.076282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012293/publication.md
observed 94f080edea2d1b3c6226956ab9648bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.057344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012293/publication.txt
observed 5b0f9564b1792b6aa91f9d879e8a4e52...
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.