OpenTechnical

OT-2026-000089886

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000089886) never changes.

Identity and time

Publication numberOT-2026-000089886 · never reused
Internal UUID01a0ae9c-428d-78ba-95be-687408ae2cf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089886
StatusPUBLIC

Content hashes

Canonical textd490bd61106e92afe4581a99b5164897798841cdaa4589ee932c36b30012b4f7
Markdown94eb3781fcc1c7b48beff408c91df2de9410fbf83e9627d86878c50edbe4948a
PDF
Publication page3b825a3cfabbc55a33f7fef1f65d1aac3b59193420242bce007baae93a532451
Manifest75b4d334fa1c650703479e15c735e9c8f5268f637740746a41ad10b9b5deb35f

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
SignatureoNmEuVhmyE3BOgRiHh6Arw5ykhY8PiOAo7+EdaZja9+GBLAP2xjNbkBYie0mBIy00nzaFlLP4pDaezbMutHqAg==
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

2026-09-17T09:45:08.961873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089886
observed 3b825a3cfabbc55a33f7fef1f65d1aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:08.943195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089886/manifest.json
observed 75b4d334fa1c650703479e15c735e9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:08.924166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089886/publication.md
observed 94eb3781fcc1c7b48beff408c91df2de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:08.903446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089886/publication.txt
observed d490bd61106e92afe4581a99b5164897...
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.