OpenTechnical

OT-2026-000064530

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000064530) never changes.

Identity and time

Publication numberOT-2026-000064530 · never reused
Internal UUID01a0ae8d-a462-7c60-92be-25862b387dc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064530
StatusPUBLIC

Content hashes

Canonical text0b6ba51ffb2b59fe404ccee609f5515452373ac4761dabb9cc93b1bfb035029c
Markdown5e030151a7df9f1b71345c51a63d81428d5144be0d6d2ce1d56c80c6c6d9630a
PDF
Publication page4ee8b1c50cf96e9b2d2b28a461d8e5057d314370451425170562edaf9d3177fe
Manifest695225d83c9425cd35b8a1480eeb96b6403855070af3ddb32db81fe1c1b6a895

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
Signature8lkc4ylRVfh6VHcILmub+E8klu3I02e1NeqVhXFqRXLcRpb+bAHin6978pcUds83oTxT8BIsjcCwNPgroxLjDw==
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

2026-09-17T10:36:44.688780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064530
observed 4ee8b1c50cf96e9b2d2b28a461d8e505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:44.668874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064530/manifest.json
observed 695225d83c9425cd35b8a1480eeb96b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:44.652098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064530/publication.md
observed 5e030151a7df9f1b71345c51a63d8142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:44.633950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064530/publication.txt
observed 0b6ba51ffb2b59fe404ccee609f55154...
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.