OpenTechnical

OT-2026-000087267

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000087267) never changes.

Identity and time

Publication numberOT-2026-000087267 · never reused
Internal UUID01a0ae9a-cd4e-74f4-8ed5-88688c2514ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087267
StatusPUBLIC

Content hashes

Canonical text461e3ae5f9cc6f68de69183e263a33489f323ef5d5bfd8820000a249294f45fd
Markdown3df5bde7ee5d0c327040de33765b1bda5af290c3db769da6b387b93503660627
PDF
Publication page15e389175f19b9f9cf3bedc8e0068ab88b163b19cb2a395acb688e5652fe56f2
Manifest2fc5f32672d53ed8f9a4b5bbb3c59ccb3c6b80b0750af049fca049d956ea5d84

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
SignaturemqsO+oSogWuU6mPiKXdcoC3szZzJ9+wTWbU5ooA3O2/JZ6gsVmuOi6QOwTYjQxEkn0Gb+MULfCVXBPMFGjcuCg==
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

2026-09-17T09:50:23.165376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087267
observed 15e389175f19b9f9cf3bedc8e0068ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.146807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087267/manifest.json
observed 2fc5f32672d53ed8f9a4b5bbb3c59ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.123699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087267/publication.md
observed 3df5bde7ee5d0c327040de33765b1bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.119446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087267
observed 15e389175f19b9f9cf3bedc8e0068ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.103420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087267/publication.txt
observed 461e3ae5f9cc6f68de69183e263a3348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.100882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087267/manifest.json
observed 2fc5f32672d53ed8f9a4b5bbb3c59ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.081723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087267/publication.md
observed 3df5bde7ee5d0c327040de33765b1bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.060752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087267/publication.txt
observed 461e3ae5f9cc6f68de69183e263a3348...
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.