OpenTechnical

OT-2026-000007940

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, vented 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-2026-000007940) never changes.

Identity and time

Publication numberOT-2026-000007940 · never reused
Internal UUID01a0ae6a-908b-7a22-ac70-535acf4fd1fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007940
StatusPUBLIC

Content hashes

Canonical textaf072eef20d955e48ce7e93c711ff7005c4fd6788905e97587e5575bd823e0f4
Markdown12e76ad0990cdcdb529194f1159e6d2f695ad21e91b8290ecdf110c8fc1315c7
PDF
Publication pagebd06a87e3be0dff320819b60bae7d292b0ca53987a614c1a945fbbb451a1156f
Manifestb173af41aabf9ec87a182544f3cbaca62fb69f3e83dda89914d6a3c4059a9233

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
SignatureEfsmFGnz9UG9qEOP79V0IDBfBRN09X8RBTGwmpnq5N0wmN5XVXVkeLp3i6EeCdYGTEmW1PsQZHkBzg6NbBIDDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:26.732530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007940
observed bd06a87e3be0dff320819b60bae7d292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.712460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007940/manifest.json
observed b173af41aabf9ec87a182544f3cbaca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.695784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007940/publication.md
observed 12e76ad0990cdcdb529194f1159e6d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.674220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007940/publication.txt
observed af072eef20d955e48ce7e93c711ff700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.269148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007940
observed bd06a87e3be0dff320819b60bae7d292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.249346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007940/manifest.json
observed b173af41aabf9ec87a182544f3cbaca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.228489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007940/publication.md
observed 12e76ad0990cdcdb529194f1159e6d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.208655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007940/publication.txt
observed af072eef20d955e48ce7e93c711ff700...
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.