OpenTechnical

OT-2026-000092509

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000092509) never changes.

Identity and time

Publication numberOT-2026-000092509 · never reused
Internal UUID01a0ae9d-b5fd-7d0b-8255-66c234a4c80d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092509
StatusPUBLIC

Content hashes

Canonical textba45def631c6a97b63fe7fa714d2a91b4d9dc2fd87006d3b43a9a6954ab936ad
Markdown4693c22e40568b600001358e0441d7475e03e067b7bd438ae1b547a763e3ca0d
PDF
Publication page800bc1f1f0a266a9ebbae6122384dcb3322f14abc66bb1684f59a1ce0cafcb5d
Manifest3711b6089a06af9ff2e286a21559bf665d6ed56070ac326c6b38525824dde353

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
Signature5LyHTBdA9IErKTXaY87pgR0QWq4sk9njqMnA+GhUHkH/GXn/dBfHa3ZT+4wlf1MuIFh7+B9PHWwABe6y9WVsDw==
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

2026-09-17T09:41:04.916623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092509
observed 800bc1f1f0a266a9ebbae6122384dcb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:04.898232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092509/manifest.json
observed 3711b6089a06af9ff2e286a21559bf66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:04.881110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092509/publication.md
observed 4693c22e40568b600001358e0441d747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:04.862933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092509/publication.txt
observed ba45def631c6a97b63fe7fa714d2a91b...
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.