OpenTechnical

OT-2026-000025079

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed 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-2026-000025079) never changes.

Identity and time

Publication numberOT-2026-000025079 · never reused
Internal UUID01a0ae71-2729-7189-a0d1-4769394473fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025079
StatusPUBLIC

Content hashes

Canonical text2a7a4048b754f1f7999afc39da6c3fbbc5b8fad1819ab811c312c07319a68999
Markdown2c4d9f5fc1a986e8af472165e018cd292a0b95c5be02292fd67d3a4acafa2e46
PDF
Publication pagea2e6ae3bda553d88888d33817c455f399805f064233d1c201440b39d56b5cb21
Manifest3b07afe8b0251475da64856392c97e4acfeb8b460123b65f1117080e796dbec4

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
SignatureJBsh5peVyizvD229SV4RSrGVo+7otxyx0MAIkcS6rqiAsxzW3D6iGoUZ2QUUJ7Z/riSBC6mI1pe5SmHRn+a0Cg==
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

2026-09-17T11:48:29.693174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025079
observed a2e6ae3bda553d88888d33817c455f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.674021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025079/manifest.json
observed 3b07afe8b0251475da64856392c97e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.654516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025079/publication.md
observed 2c4d9f5fc1a986e8af472165e018cd29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.635026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025079/publication.txt
observed 2a7a4048b754f1f7999afc39da6c3fbb...
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.