OpenTechnical

OT-2026-000083575

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, sustained blow-off before set-down

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-2026-000083575) never changes.

Identity and time

Publication numberOT-2026-000083575 · never reused
Internal UUID01a0ae98-0415-7def-9384-f859bb371f04 · 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-2026-000083575
StatusPUBLIC

Content hashes

Canonical text7219b28ebc07f52151fbf05808d95b58ab38d3dbb6f19cf132e0f6ad26c8c493
Markdown303d65f4457b6126034558efda10454adcc39037ff1ae9083a16cb333c4ac7d7
PDF
Publication pagea93ae010512cd6c67d658f565f7f19401a81345d0269de5b8bf1b447d7c1a35c
Manifest2f76723ee48e5549859e40cd5af5dc5365be1fb0b14bbdd7b98f213ee28c709a

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
SignatureQplqZvhETs771x+rX7Vtu0PUX4n1BBS2/MFP+608BXVMxM9/vIjlWwy+j89Eza2fAfaGUSgVwbVaQGgQn0LLCw==
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

2026-09-17T09:57:03.874306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083575
observed a93ae010512cd6c67d658f565f7f1940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.855934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083575/manifest.json
observed 2f76723ee48e5549859e40cd5af5dc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.837757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083575/publication.md
observed 303d65f4457b6126034558efda10454a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.817837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083575/publication.txt
observed 7219b28ebc07f52151fbf05808d95b58...
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.