OpenTechnical

OT-2026-000006384

Publication integrity record

Vacuum cup gripper, four zone face, two stage ejector, vented before set down, polyurethane cups

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-2026-000006384) never changes.

Identity and time

Publication numberOT-2026-000006384 · never reused
Internal UUID01a0a959-2064-7489-b593-1636967f1353 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:33:05.809522Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006384
StatusPUBLIC

Content hashes

Canonical text33f58e8b1f22895637e30094d1c71ed3a498acab7aa95a094ac5335266c24b1f
Markdown8e0953b8b4626e439bdf37e8d4b0781506ec562b8efea5d2df1ccd7fbb298acb
PDF
Publication page6a78889539fc2389c6ad77033b7b334da283bdf0ed48d4eb9fcb96c065ddba3c
Manifeste5837bd410724abf0491cf9244826e245989512dd3e9ae38e864aea504f6468d

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
SignaturetUEuOVKdLPCe25N97Ac/y5lh1vK6X5OTl+4GEaTSGws9PnM5G4Ckivb76Tnh3IMlEFkYLkk4eQJMB0C5eq5PBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:23.988153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006384
observed 6a78889539fc2389c6ad77033b7b334d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.972553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006384/manifest.json
observed e5837bd410724abf0491cf9244826e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.958780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006384/publication.md
observed 8e0953b8b4626e439bdf37e8d4b07815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.945738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006384/publication.txt
observed 33f58e8b1f22895637e30094d1c71ed3...
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.