OpenTechnical

OT-2026-000081369

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000081369) never changes.

Identity and time

Publication numberOT-2026-000081369 · never reused
Internal UUID01a0ae96-f375-7f98-9e2d-19e24e93dff4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081369
StatusPUBLIC

Content hashes

Canonical text722070d2fc975ed6ccb8fce62b43a863eb1abebf35d4479b155f716072175add
Markdown43b0381c36ef5ddadbe29e4b93dd849083de3a7655142c49ef84e15f566c2f6e
PDF
Publication page569fe3c21592b026d0de9eb8ff72392ba612fcc15236fc2ff9f09d7510c408f5
Manifest74c0003588952359de7fc2d5627216b572d1347669e297d05b9682b7a37d958b

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
SignatureXsgpmEddmoVbJJ3aT0y4gD0WsapRxJUAvWvibhncOjmqKuA5YxVX9qJMy/5AEplQ63MamAz/cZT2k1uqyjCfAw==
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

2026-09-17T10:01:30.306694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081369
observed 569fe3c21592b026d0de9eb8ff72392b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.288154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081369/manifest.json
observed 74c0003588952359de7fc2d5627216b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.269037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081369/publication.md
observed 43b0381c36ef5ddadbe29e4b93dd8490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.249532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081369/publication.txt
observed 722070d2fc975ed6ccb8fce62b43a863...
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.