OpenTechnical

OT-2026-000093874

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000093874) never changes.

Identity and time

Publication numberOT-2026-000093874 · never reused
Internal UUID01a0ae9e-92c7-78e1-bc23-9d3bf2265ea2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093874
StatusPUBLIC

Content hashes

Canonical text69276630872fa5b9d4384286e6caa2e0ad5371599678347eee678d9c2c00f468
Markdownd9c33091a204c99fa9665f1883b5d5cf9901740a1cb19fda503a7339bb65b53b
PDF
Publication page94fc0fd044db15744f9c9df2e483cf4e27e4d9a06b48c319916f108b8961af1c
Manifest9a9a6708d3798c585a8c39a93b521bed706fe42cea3a42120d3ec0b990e14f52

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
SignatureVpPZnTO4ixtc0EBh3wgF5sYVZrSzepV9GSX/j93xZcBarN6lEn0IdnAuxm2cN+r1qilFY5+Mu7ho30QfNNUOBg==
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

2026-09-17T09:38:07.990007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093874
observed 94fc0fd044db15744f9c9df2e483cf4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:07.975126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093874/manifest.json
observed 9a9a6708d3798c585a8c39a93b521bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:07.957715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093874/publication.md
observed d9c33091a204c99fa9665f1883b5d5cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:07.940497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093874/publication.txt
observed 69276630872fa5b9d4384286e6caa2e0...
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.