OpenTechnical

OT-2026-000022345

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000022345) never changes.

Identity and time

Publication numberOT-2026-000022345 · never reused
Internal UUID01a0ae6f-f4fd-7a6d-b611-8153457ecce1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022345
StatusPUBLIC

Content hashes

Canonical textf892e7ff83164436ec6ffa11ac045e1da49f57dd3eb30d363583909871e40414
Markdown401836b10bb56b09fc47397ab3e44cdbfb915dd61da9a64cbc1a522d2794be0e
PDF
Publication page15f2a3bde90c2321fcc724b804b2479cf02c366aed08ebdd20cb14b446ae7838
Manifest09c41f4d9fab113d7e457ff458b80814d1b36de68d85c658bbe5755128d2758b

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
Signature6B+fdP0lrQuEy5g+/PoVSczICBwRhZPcAqYAPuXEx0pPVIO55wwPKNXJfJ1DszbfNU8dtNuECR5Z5X339bE+AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:42.555213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022345
observed 15f2a3bde90c2321fcc724b804b2479c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.537305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022345/manifest.json
observed 09c41f4d9fab113d7e457ff458b80814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.519939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022345/publication.md
observed 401836b10bb56b09fc47397ab3e44cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.501759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022345/publication.txt
observed f892e7ff83164436ec6ffa11ac045e1d...
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.