OpenTechnical

OT-2026-000090626

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000090626) never changes.

Identity and time

Publication numberOT-2026-000090626 · never reused
Internal UUID01a0ae9c-7f30-7863-9ba0-357136425b09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090626
StatusPUBLIC

Content hashes

Canonical textca6cfbc44fd3f70f23d32fe7c7d608d13f033b85823de68710385bc833f929ec
Markdownc6ed64b419e2d67226731008e0c5188fc200d38ec357498f86aabc299a765f15
PDF
Publication page6a1363365c3f30d3d3272e26d1f1bfa838d2b17e59b417f0845192e5dd0b975e
Manifestafb710430dbf2b2f602ff90c12c3be231e465ef38f876e7031852b3f8ec35d7a

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
Signature7rJvgelgN72rb/NtWqewG8d4pRoAfNNPEAOQVw5g0vl0V7tMZo7qVQsQ/OEv8nF+IivIzIw8P7tdtYoleYrRAA==
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

2026-09-17T09:44:21.086873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090626
observed 6a1363365c3f30d3d3272e26d1f1bfa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:21.069235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090626/manifest.json
observed afb710430dbf2b2f602ff90c12c3be23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:21.051187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090626/publication.md
observed c6ed64b419e2d67226731008e0c5188f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:21.033030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090626/publication.txt
observed ca6cfbc44fd3f70f23d32fe7c7d608d1...
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.