OpenTechnical

OT-2026-000083665

Publication integrity record

Four cup vacuum gripper, four zone face, pump 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-2026-000083665) never changes.

Identity and time

Publication numberOT-2026-000083665 · never reused
Internal UUID01a0ae98-0416-78bf-a8ab-b347eee060a2 · 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-2026-000083665
StatusPUBLIC

Content hashes

Canonical text69ee680a7c1641b58fc5a8f6542a7d85a159fbfa1e37aba0b3a792175724b087
Markdowne38ac0d2ae11d3e3d42780411fb572cd67f465b9b8981eed4702c2c3dc01df19
PDF
Publication page7c06f3067478d6d8aedf8f04a1e8695dd3d261363af91c28961946e150c67179
Manifestc70785679b66e3d7af0c8de502a19274b2d79a5242b0c3ee18f3df5240585b64

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
SignatureKeLzztu68OG/5SDzwlKw07GUpf94Ccl82SuaE3jRLdqbXGgdn0rGThMD4iQWhgxvyKv66MrvoArjobm1HaknCw==
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

2026-09-17T09:57:17.205456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083665
observed 7c06f3067478d6d8aedf8f04a1e8695d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.188785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083665/manifest.json
observed c70785679b66e3d7af0c8de502a19274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.172604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083665/publication.md
observed e38ac0d2ae11d3e3d42780411fb572cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.155094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083665/publication.txt
observed 69ee680a7c1641b58fc5a8f6542a7d85...
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.