OpenTechnical

OT-2026-000100872

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100872) never changes.

Identity and time

Publication numberOT-2026-000100872 · never reused
Internal UUID01a0aea3-66f6-7c7d-a62d-47212e4383b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100872
StatusPUBLIC

Content hashes

Canonical text2a718554b0028fffd47085bfab3171d97af1cb7d16537e2cc320541f16710ed3
Markdownd937c016e2d63b151cef3c9d384a440d99023bdff065e4a84cdeee9fadf63202
PDF
Publication pagecacc451f0dce6d60b7f6a646d424477e9c557cb3e47064e7599de8cbc23aa633
Manifesta78f590e3932f334d3f70408359df911a9c4300194751cb8eca990d5ec26ca5e

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
Signatureb82yTI1CftX7vy3UA1zz1uUVi5Cek0Z2VLqJNYj8wktaE037V/yvwp89quJjEIeKBfBUuNTcWW5n9LCfhW6SDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:48.379222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100872
observed cacc451f0dce6d60b7f6a646d424477e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:48.361838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100872/manifest.json
observed a78f590e3932f334d3f70408359df911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:48.342734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100872/publication.md
observed d937c016e2d63b151cef3c9d384a440d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:48.324227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100872/publication.txt
observed 2a718554b0028fffd47085bfab3171d9...
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.