OpenTechnical

OT-2026-000077065

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000077065) never changes.

Identity and time

Publication numberOT-2026-000077065 · never reused
Internal UUID01a0ae94-f507-7e54-a5a8-0b058a1ce645 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077065
StatusPUBLIC

Content hashes

Canonical text518b837f4aa6989203c558f6c98d03e9c4516312a3cec1d4648cec5d89b17ca6
Markdown8f02d396a3f7700c0afd8aee0c75c54f2c3c20a017396ac2b1fded9e403f86b2
PDF
Publication pagedf00e8dc526bf815ff5dcb57bac8ff5e95224175f1e433474683c104d75b49d0
Manifest32991afdef2338d9f9a8cb689b20d561001cb8a1da422ed9de91cf52cccf6ad8

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
SignaturerpipDGpMtABQ6KjfCRTB7DKTno/EjipYrI809v6xc5z/xPxt7Ct1sATzsshJGElhvx553UJxjb8p09nUcwjzBQ==
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

2026-09-17T16:41:20.513672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077065
observed df00e8dc526bf815ff5dcb57bac8ff5e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:20.346053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077065/manifest.json
observed 32991afdef2338d9f9a8cb689b20d561...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:19.959993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077065/publication.md
observed 8f02d396a3f7700c0afd8aee0c75c54f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:19.758856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077065/publication.txt
observed 518b837f4aa6989203c558f6c98d03e9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:11:23.996835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077065
observed df00e8dc526bf815ff5dcb57bac8ff5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:23.977323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077065/manifest.json
observed 32991afdef2338d9f9a8cb689b20d561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:23.953963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077065/publication.md
observed 8f02d396a3f7700c0afd8aee0c75c54f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:23.808871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077065/publication.txt
observed 518b837f4aa6989203c558f6c98d03e9...
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.