OpenTechnical

OT-2026-000029770

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000029770) never changes.

Identity and time

Publication numberOT-2026-000029770 · never reused
Internal UUID01a0ae73-5e24-7789-8c39-0fe122452521 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029770
StatusPUBLIC

Content hashes

Canonical text03ddc9007edeedae87526f5d41511b1a0f6f5d479cd9e2fb63ec2b3bd3fff6fc
Markdown2a242694bc02ad36eeed8dbcf3ea9ed0ad81b726bee6e82c3811313423670e30
PDF
Publication pagee79d33582f5af682941e55b1f3256dcf68997ecf5b8ff43f6344c8b089771e17
Manifestde153dbbddd7c836fd8eb6df245ea182445ede71b86de4f82c1f610e1b1a3525

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
Signaturep9mUwiMp9G/5rj+WtcDgRccXHf9XYruyA81iJHF4d/Q9DV1hrXIiF9RCO47Da+PGR1d083i9nFToaSDNxjIiBA==
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

2026-09-17T11:39:32.038063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029770
observed e79d33582f5af682941e55b1f3256dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.018057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029770/manifest.json
observed de153dbbddd7c836fd8eb6df245ea182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.000812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029770/publication.md
observed 2a242694bc02ad36eeed8dbcf3ea9ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.984845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029770/publication.txt
observed 03ddc9007edeedae87526f5d41511b1a...
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.