OpenTechnical

OT-2026-000092201

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, 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-2026-000092201) never changes.

Identity and time

Publication numberOT-2026-000092201 · never reused
Internal UUID01a0ae9d-875a-7488-a70d-0aa2a1832c0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092201
StatusPUBLIC

Content hashes

Canonical text460ee802029ecd8a365c5a83c2fd5144c8efa3aef4806fe2f22048ad43020fa9
Markdowna1947e98aaf4b7b0b6e7f6b7c477512b058d945a45c4cd6d2bc4403a3a7c7f48
PDF
Publication pagef1ac926cb9b926385647dac98d8681d9320f73bbe89a75d6978e57106e7c72db
Manifest268c0f34326474457547c0ff40b652ad658d1a6b67fd451572e8fb8438c21448

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
SignaturesBFyOdrwDioH1xB2o5pbZYS8LuSnYQlm3w7aOkEwVsVeAfpSXopN2dq5X3OJl4//GZ7XjZnGnLbHBabHJqnXBw==
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

2026-09-17T09:41:41.174374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092201
observed f1ac926cb9b926385647dac98d8681d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:41.156775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092201/manifest.json
observed 268c0f34326474457547c0ff40b652ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:41.140439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092201/publication.md
observed a1947e98aaf4b7b0b6e7f6b7c477512b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:41.124099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092201/publication.txt
observed 460ee802029ecd8a365c5a83c2fd5144...
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.