OpenTechnical

OT-2026-000099007

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold 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-2026-000099007) never changes.

Identity and time

Publication numberOT-2026-000099007 · never reused
Internal UUID01a0aea2-8287-7068-9862-27070521d71d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099007
StatusPUBLIC

Content hashes

Canonical text08080c1239990df07325089aef38dcf7857b73847a8aad63fb1f728a7d70114f
Markdowncc801eabd4ce81ed1af23e710d0ea24b250384060b7d62dde83ff4ab2cc4a08a
PDF
Publication pageb69d1a44b4c03aaadde8415fdb9b77deae23bf146560be1278b3632d1c16e03a
Manifestd137b60e5e8d1aa75a91d2be3098dec0ea112931312b46691fc6138c12d029c9

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
Signature1vbcp60iJ4F7vb8ypI8YJ+uC4jwSjYhtqqU9nHMQ0fShIy9yXlhYP/X59MzyCm45cuQ0hq9AzORktXojGtP+Bw==
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

2026-09-17T09:30:05.576547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099007
observed b69d1a44b4c03aaadde8415fdb9b77de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.557828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099007/manifest.json
observed d137b60e5e8d1aa75a91d2be3098dec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.539132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099007/publication.md
observed cc801eabd4ce81ed1af23e710d0ea24b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.523283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099007/publication.txt
observed 08080c1239990df07325089aef38dcf7...
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.