OpenTechnical

OT-2026-000070427

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000070427) never changes.

Identity and time

Publication numberOT-2026-000070427 · never reused
Internal UUID01a0ae91-545f-71ca-88ac-76ddd03eaf64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070427
StatusPUBLIC

Content hashes

Canonical text01ed9348a563b1a5158015e902651a84ae9fc308a8c169de762f6d116d8c9712
Markdowna22f84169b97a95187cd8c966bed17a94cd1be6807bdb4d96dd4d1ec4ea9d394
PDF
Publication page195ce5d861f15128a62ec4dc552cfe566d3ce2678a756def16d9ebdcc9a07de3
Manifest386c326d38dff8bb2973f0e20c78a863a03ab9c4e0dc9bea0b59212adeb00849

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
SignatureB1ULcCwWf1c9gWXLRqOcDz5RPFTgsG18S25ea35zTOYt9rGKktq8OzOiEeacYb3r0IcOsz/2jheeoqOiQTmiCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T12:41:19.694635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070427
observed 195ce5d861f15128a62ec4dc552cfe56...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:19.308582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070427/manifest.json
observed 386c326d38dff8bb2973f0e20c78a863...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:19.103799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070427/publication.md
observed a22f84169b97a95187cd8c966bed17a9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:18.829491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070427/publication.txt
observed 01ed9348a563b1a5158015e902651a84...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.601053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070427
observed 195ce5d861f15128a62ec4dc552cfe56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.583512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070427/manifest.json
observed 386c326d38dff8bb2973f0e20c78a863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.565121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070427/publication.md
observed a22f84169b97a95187cd8c966bed17a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.548373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070427/publication.txt
observed 01ed9348a563b1a5158015e902651a84...
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.