OpenTechnical

OT-2026-000099343

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000099343) never changes.

Identity and time

Publication numberOT-2026-000099343 · never reused
Internal UUID01a0aea2-c972-718b-a00c-4ec6b413eeaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099343
StatusPUBLIC

Content hashes

Canonical textbb6c571be015ede03ac6a1124bb22943812310ec3e6ac52af3346395144a5258
Markdowne72272d06b835ca02dcfc18faba4e7b93941b2be7e58119f55c1337b7f5d5bd2
PDF
Publication page488fe12729bf9010469372ccbc197bdc325b3b5653977ee9b111c960c7dfd2a4
Manifest506b177fbbca658073dad5020f693d448a6c72cc0f0cd37a26dcff08155c9c96

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
SignatureFjiOWzyBjIe9WUE0N6aKMY2PwzZKM75QKIYTlZLxB6FOyJ0NAgUF6ytKihFUsoM80qylscSezBdVYinWMNcJBA==
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

2026-09-17T09:29:05.500545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099343
observed 488fe12729bf9010469372ccbc197bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:05.483147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099343/manifest.json
observed 506b177fbbca658073dad5020f693d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:05.465537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099343/publication.md
observed e72272d06b835ca02dcfc18faba4e7b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:05.448188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099343/publication.txt
observed bb6c571be015ede03ac6a1124bb22943...
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.