OpenTechnical

OT-2026-000100478

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000100478) never changes.

Identity and time

Publication numberOT-2026-000100478 · never reused
Internal UUID01a0aea3-66ef-76ef-846b-1dab4b41ddbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100478
StatusPUBLIC

Content hashes

Canonical text41c325a1431200aed8ec68d62fc5eef568b08e5f1d0c88023a54b2548a2e1f8a
Markdowna96dd3ce11b3d4ceab39ce4c7766ff145428796854164b241deef36a42c7f52c
PDF
Publication page2ce570f0154ebbdfc4271163a56225b35a4a8c1fc653b2427e88e65840e6c236
Manifestc64ca60107066c3df4818c112002b1e97d6351db290be39c29be826d8a3cae32

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
SignaturefQauk3LTiCIWAs4sOykkwTcN23D2dKYL+dzp1LsWX0QO+TkJ9wf9mrLpUEjDoNDvMkbG3yXVBuIqJ0cpxXdqAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:14.081630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100478
observed 2ce570f0154ebbdfc4271163a56225b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.065614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100478/manifest.json
observed c64ca60107066c3df4818c112002b1e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.047681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100478/publication.md
observed a96dd3ce11b3d4ceab39ce4c7766ff14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.023430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100478/publication.txt
observed 41c325a1431200aed8ec68d62fc5eef5...
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.