OpenTechnical

OT-2026-000095643

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000095643) never changes.

Identity and time

Publication numberOT-2026-000095643 · never reused
Internal UUID01a0ae9f-fac4-7794-9b41-d0d77a29f22b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095643
StatusPUBLIC

Content hashes

Canonical texta1b0f1e1da27b24c8e7f185f0d8bd42b90120db27b518f81a2034615be9c5a32
Markdownddff1f1435955cff4020032b5ba2ac21f1e059b81b628b1797eb1f9ff8892094
PDF
Publication page424c1fe075c5359d072f4b26e69caee09a8520d6563cfdc63af8f610cc10abce
Manifestba9f16cf71a158e35429ec95c5db00e3af6d6ad41d203366e0daa654a54d6166

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
Signaturex9C2TXP1BfugJfWC90vop3BTLvoC+CA28In733pizSUysKd7fAZAhmGEYY8NwB1xF27T3swvLJ2A3SmK6VdyCg==
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

2026-09-17T09:35:06.564162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095643
observed 424c1fe075c5359d072f4b26e69caee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.546365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095643/manifest.json
observed ba9f16cf71a158e35429ec95c5db00e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.528978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095643/publication.md
observed ddff1f1435955cff4020032b5ba2ac21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.511217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095643/publication.txt
observed a1b0f1e1da27b24c8e7f185f0d8bd42b...
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.