OpenTechnical

OT-2026-000042617

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off after set-down

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-2026-000042617) never changes.

Identity and time

Publication numberOT-2026-000042617 · never reused
Internal UUID01a0ae7a-c0ce-7b62-8c7e-4cb190745488 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042617
StatusPUBLIC

Content hashes

Canonical text0e8f7e9c6a473cd391fe6c88eec0169b52bd3aec554c5c93a6e0fc36b1967fb2
Markdown84771ba38dfdd1a821ba71d7fc4a41548a810ca67ea52c033d2a9ba535abd142
PDF
Publication page39584134373624fc4a5bb365cc95ef9ae9b4b25aea4f3af0e24ff7bcf7a4d274
Manifest522fbd509d2fe047477f026912c3a51dfb65a64c8bb317893b221a25073838f0

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
SignatureAEN8gOX/VacOGBhefOQDkiG2AJaJBCe5vrZ+iPXxR29KYpqBsEoAfDdMwUf1uY4EWE9+8nr9+Bk06iEHy8DSCQ==
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

2026-09-17T11:14:20.821834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042617
observed 39584134373624fc4a5bb365cc95ef9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:20.803366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042617/manifest.json
observed 522fbd509d2fe047477f026912c3a51d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:20.785122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042617/publication.md
observed 84771ba38dfdd1a821ba71d7fc4a4154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:20.766082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042617/publication.txt
observed 0e8f7e9c6a473cd391fe6c88eec0169b...
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.