OpenTechnical

OT-2026-000102091

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000102091) never changes.

Identity and time

Publication numberOT-2026-000102091 · never reused
Internal UUID01a0aea4-50f2-7c2a-9da2-2fca23e9c5c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102091
StatusPUBLIC

Content hashes

Canonical texta7fee8be0076a2a517722284b35db09188905b31cb09112a89f604a6ac1a27a0
Markdown9887b6190776a5b8615764962e7885439a752d09d9c739d526140eb9823942be
PDF
Publication pagee1fb29e2e4bd9f46e715a910e37fe89e2273c8b076b1fbda9612a8b308e8d0f3
Manifest00a2bcbac9c87d161de2d6199a7aad417395403d595eafaf1fe3fa3fe6787400

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
Signatureiw9z22WkQ5Ht/WouRWPdF7/dKdL1xx5fgImrrwxcrC7G3iGV2ib4Jm6fQEBqjWcIymZOF32tgFkxWUzKxT0YCA==
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

2026-09-17T09:25:14.389683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102091
observed e1fb29e2e4bd9f46e715a910e37fe89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.371808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102091/manifest.json
observed 00a2bcbac9c87d161de2d6199a7aad41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.354308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102091/publication.md
observed 9887b6190776a5b8615764962e788543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.336596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102091/publication.txt
observed a7fee8be0076a2a517722284b35db091...
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.