OpenTechnical

OT-2026-000083625

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000083625) never changes.

Identity and time

Publication numberOT-2026-000083625 · never reused
Internal UUID01a0ae98-0416-71d0-930e-76999f50e5fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083625
StatusPUBLIC

Content hashes

Canonical textaf1c021dca15d3d2b6b410d21c7c29993ff3c02c5bc6371d22fd8bb73615441e
Markdowne0b084e15e5b41c454ccb24ca34d708a07ab6f1526ea2fc73bf04a3eb9779a99
PDF
Publication page2c75c9efe1f854efbe2377299ddaeb1fc61d1b83dbae461c0e57c25a171466e0
Manifesta572faf916f06b487955a42cb7a2c7224ef0f583dd44c63feb7290a5d4757d10

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
SignatureQkla1AZUGoDYYq+apx5FdbUJNImTBMUfvsbyD+mb60Jk3h4Gw4AhjTQ+9EbBn51lqlPB3g3fDra2+r99I/GtDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:14.151921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083625
observed 2c75c9efe1f854efbe2377299ddaeb1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:14.133875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083625/manifest.json
observed a572faf916f06b487955a42cb7a2c722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:14.115801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083625/publication.md
observed e0b084e15e5b41c454ccb24ca34d708a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:14.097272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083625/publication.txt
observed af1c021dca15d3d2b6b410d21c7c2999...
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.