OpenTechnical

OT-2026-000033351

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000033351) never changes.

Identity and time

Publication numberOT-2026-000033351 · never reused
Internal UUID01a0ae75-8980-7473-b159-99dcfe94b5e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033351
StatusPUBLIC

Content hashes

Canonical text9734ac1f99cd955be07d9c4670cc932d569f9a33049bdd15f602ab46b41da310
Markdown01cbdea04c375b1b0f8b63d123a47a7c771220da219084f8a98964365e411f39
PDF
Publication page2ab2b86c798512108f37adc1789901fb4c0bd6eca60aca2e18107913e17db743
Manifest5af73100d93e1da7c70f73bda90eccd31729189834b3cbf42ba07a883e1a7a17

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
SignatureoGS5+fl4kw5SE7nun0TYo4ABvoyn7cQqxNpk8vQM0tQl8V2wxXGiw658lmqSiJnPPDSSpnQuTCYF9Lh1jd4gDA==
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

2026-09-17T11:32:06.742184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033351
observed 2ab2b86c798512108f37adc1789901fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.724494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033351/manifest.json
observed 5af73100d93e1da7c70f73bda90eccd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.695176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033351/publication.md
observed 01cbdea04c375b1b0f8b63d123a47a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.677517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033351/publication.txt
observed 9734ac1f99cd955be07d9c4670cc932d...
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.