OpenTechnical

OT-2026-000061366

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, vented after 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-2026-000061366) never changes.

Identity and time

Publication numberOT-2026-000061366 · never reused
Internal UUID01a0ae8b-1385-7e44-a062-41f2fa7f9ab6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061366
StatusPUBLIC

Content hashes

Canonical text9f7ba4ca444c8b05eb080997af12db6ea421d9818564b7fac6a34a759eadbab7
Markdown61ba58610f88f0c015cd6ef6951d1be709988926128af4e8aebd04932a902fa4
PDF
Publication page589cd813bc55e3a9e73ea8bd0b5eec10a5a1eb7a2a8165227f46869e71300131
Manifest4422d951d7e0ccd78e01460506802040ec713dc19500ede38bf0c843fb3a90d7

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
SignatureM82A2mQBKnQyFIiO8xmKtbOWw3Y+V7cC2p16+HSrAChYRrorDirZ4Pqcgva7TsGeJrGvwob46zZ/1xIu80+iCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:49.017357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061366
observed 589cd813bc55e3a9e73ea8bd0b5eec10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.997074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061366/manifest.json
observed 4422d951d7e0ccd78e01460506802040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.975680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061366/publication.md
observed 61ba58610f88f0c015cd6ef6951d1be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.956292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061366/publication.txt
observed 9f7ba4ca444c8b05eb080997af12db6e...
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.