OpenTechnical

OT-2026-000042923

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000042923) never changes.

Identity and time

Publication numberOT-2026-000042923 · never reused
Internal UUID01a0ae7a-c0d1-7286-9b3c-df345e59fa8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042923
StatusPUBLIC

Content hashes

Canonical textf12f8267571aeee1234bceaced7bba2f057833da7f577f53f23d2e6530bced2a
Markdown04e3622f0294bc074377787475dee28c8894638ddd9198ec9f8d046895ba731c
PDF
Publication pagefd26dc03b48aca7b4bfeb320caa22ecc8494aca128763abffef95733027fba47
Manifest7ca04af8b5f1ef5772226b713545b76f63567f26e80d73ac9cfd52da9d51a835

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
SignatureVI2OSylIHFSZThqU7R3o2cXn8UsvPuZjurmMwH5+8DjgASgqRHQwk0IQgXR1D/VvVfVDjSTxqzpMiO/PYnFFCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:26.919317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042923
observed fd26dc03b48aca7b4bfeb320caa22ecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:26.899818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042923/manifest.json
observed 7ca04af8b5f1ef5772226b713545b76f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:26.878426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042923/publication.md
observed 04e3622f0294bc074377787475dee28c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:26.856825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042923/publication.txt
observed f12f8267571aeee1234bceaced7bba2f...
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.