OpenTechnical

OT-2026-000065873

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000065873) never changes.

Identity and time

Publication numberOT-2026-000065873 · never reused
Internal UUID01a0ae8e-80d2-765a-b0d4-5ed91331747c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:29.817056Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065873
StatusPUBLIC

Content hashes

Canonical textb9ac4a06e49b6e87b822947c07df67da75b490d8f0fa964f97830226f605f4dc
Markdownad749afdfbfe21a013ed75b8512bad3e77b56afcd3a32f16d6dfea0487949b25
PDF
Publication page7693362abf76f0ed11a4bae5291252b148d6c63a70600fca19a472a87cd32c63
Manifest2fa1dbb8f07e832cd81257d6e0f02ac46cc1f61d8a6b53296b2c609934031a6a

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
Signaturesj3THlb80O/o6ffBYdlDBZmYhT3XiO7/WEqZaEa7SquMjAYQa+s2+EHf5E9FaJzY8nGJoMh+/KzsoF2/GtasDQ==
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

2026-09-17T10:33:35.384585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065873
observed 7693362abf76f0ed11a4bae5291252b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:35.367359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065873/manifest.json
observed 2fa1dbb8f07e832cd81257d6e0f02ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:35.349809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065873/publication.md
observed ad749afdfbfe21a013ed75b8512bad3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:35.332607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065873/publication.txt
observed b9ac4a06e49b6e87b822947c07df67da...
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.