OpenTechnical

OT-2026-000102649

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000102649) never changes.

Identity and time

Publication numberOT-2026-000102649 · never reused
Internal UUID01a0aea4-858b-705e-8b36-e3b9f945fbe4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102649
StatusPUBLIC

Content hashes

Canonical textc7b8df07449517f8f96d7dbd548f8b80614f15d029c1470b7d22153a94bae8f1
Markdown40937c6806b061a0fa94c8817d63e8371489dc455758ab50ef872c0946a24af4
PDF
Publication page187132d1a430020de5daf57fe216f18066bf6801df3e490b1af1a6ca1ee1d6a1
Manifestdd96a452d0dce405d5ab8ac0b56327b60951a24d856063ede4de874f4dd45c1f

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
Signaturew/GRnGeWn+pUcM67fdDS5P6k90TAcRl2tcDyW8IiDn9eBsCK44viL4j9/VoKFFxMnotkOjCRi18gYq6ExQ5mCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:08.837719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102649
observed 187132d1a430020de5daf57fe216f180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.818040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102649/manifest.json
observed dd96a452d0dce405d5ab8ac0b56327b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.799492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102649/publication.md
observed 40937c6806b061a0fa94c8817d63e837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.780123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102649/publication.txt
observed c7b8df07449517f8f96d7dbd548f8b80...
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.