OpenTechnical

OT-2026-000100131

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000100131) never changes.

Identity and time

Publication numberOT-2026-000100131 · never reused
Internal UUID01a0aea3-3052-7c4f-9922-fb60d40dba6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100131
StatusPUBLIC

Content hashes

Canonical textaa71eaf82778c71fd2a2ecad65430b36170dd8f99fcf508ac4ae7507eb7905d4
Markdown8b8fd97f4501788615a7a19e9648a9caf8067208c4c05275d37855da26d9189b
PDF
Publication page7360194b2ea7ee10fb1150974934def24737a03b008f9f7d85c87e6688c4a548
Manifest0d762ef321d7c138f31308185e5cc04e6a52b4c7446b87547f9a06b4e40b770d

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
Signaturef+30wAsjzTW7Y4N3UcqWqXAqOuem5xMl9CEM8NmOoWBjDUhuHyICOYPXs7Jwtyru6qpGNDg3LKLemKaTvFCNDw==
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

2026-09-17T09:27:49.832197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100131
observed 7360194b2ea7ee10fb1150974934def2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.810683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100131/manifest.json
observed 0d762ef321d7c138f31308185e5cc04e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.788885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100131/publication.md
observed 8b8fd97f4501788615a7a19e9648a9ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.767629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100131/publication.txt
observed aa71eaf82778c71fd2a2ecad65430b36...
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.