OpenTechnical

OT-2026-000077729

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000077729) never changes.

Identity and time

Publication numberOT-2026-000077729 · never reused
Internal UUID01a0ae95-2ecf-700b-a079-4fa875df171e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077729
StatusPUBLIC

Content hashes

Canonical text2a6befbcc676f08dc9ce703eec76bfbddba122dedf8bcafc597ece4d1f5c45f4
Markdown335b80911fa3560f4e94430824651873fa3d015351d72eb26b5fc1f018412daf
PDF
Publication page848fd7b90c074275436aa9e6d1778fc9a18b96ca387c5f88e2211cb3c0e8595b
Manifestd3ba789392840285776d54712988dc9b7587375f4e8a2f2c284c825186b393ad

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
Signature5Uh3ImTJFmdf/919QdZz9b9WLqg1qrtfbGc24T9QoW6kA8C3+EAD1zT02zZlXapvfa0Ex4xMxiYR9uYh9fAlDQ==
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

2026-09-17T10:07:18.379568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077729
observed 848fd7b90c074275436aa9e6d1778fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.361111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077729/manifest.json
observed d3ba789392840285776d54712988dc9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.342729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077729/publication.md
observed 335b80911fa3560f4e94430824651873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.323631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077729/publication.txt
observed 2a6befbcc676f08dc9ce703eec76bfbd...
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.