OpenTechnical

OT-2026-000069947

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000069947) never changes.

Identity and time

Publication numberOT-2026-000069947 · never reused
Internal UUID01a0ae91-1860-7372-bdad-929e93ad6d4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069947
StatusPUBLIC

Content hashes

Canonical text7197a93b77de9b72cf419cb07c77c73d74e0b58902d7c0c0fe05757b071db395
Markdown37dd38364f3da1ee8995f658dfda5c7124f1f8aa88e243edfa965ef1786dd770
PDF
Publication page2146b2a8818d1ce14ea77672c6c4b9e1fe5fec758b87fb135228bf36403c65c0
Manifest12fab7819c2c31b916dcb860b33785d5d8a55d535d3e2555609aeb044ed8dd85

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
SignatureZ5w820HO7fFkf5VDoA0zbSfQ4CGZVtA4XLuwdWAcVo4WhLp/yPhrYuX/UCxOCryKCFDPypzeFGENolstflt7CA==
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

2026-09-17T10:26:53.257121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069947
observed 2146b2a8818d1ce14ea77672c6c4b9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.238210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069947/manifest.json
observed 12fab7819c2c31b916dcb860b33785d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.218197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069947/publication.md
observed 37dd38364f3da1ee8995f658dfda5c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.197516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069947/publication.txt
observed 7197a93b77de9b72cf419cb07c77c73d...
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.