OpenTechnical

OT-2026-000074754

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000074754) never changes.

Identity and time

Publication numberOT-2026-000074754 · never reused
Internal UUID01a0ae93-ac2b-791d-a13e-d9e0df1e0b0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074754
StatusPUBLIC

Content hashes

Canonical text1fe1c999776bbda22ae19a0dc1c0f0b1d48f4d54e0919b41fd26a91df207727a
Markdown471a8bb9e0d1ae3e634174515fa56abe50499ea2c072508984dd7b9062c73ecb
PDF
Publication page0c3322b89e2bff1b27e189d8c35dd7fb21dd4701342256916412ed82c2266a06
Manifest944277643001a8039abc9f02ced062270c66a095ca6c381ad51d245ce3003c59

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
Signature8OT0/l1L903ViE71QjH+30V8Xxmxat++LrcxEeQGpTHggU+8CqH2Ud/hRq162Ct1YdtwNqfm15dT9qiOHM1AAg==
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

2026-09-17T10:18:26.550961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074754
observed 0c3322b89e2bff1b27e189d8c35dd7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.531543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074754/manifest.json
observed 944277643001a8039abc9f02ced06227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.513346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074754/publication.md
observed 471a8bb9e0d1ae3e634174515fa56abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.495852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074754/publication.txt
observed 1fe1c999776bbda22ae19a0dc1c0f0b1...
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.