OpenTechnical

OT-2026-000036520

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000036520) never changes.

Identity and time

Publication numberOT-2026-000036520 · never reused
Internal UUID01a0ae77-46e6-7242-a0d4-c6c15a46a99d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036520
StatusPUBLIC

Content hashes

Canonical text2f5cb02acf127860cd9b9a9e7893550f0d6b5f44d70db622466e8ccd44a4d1cf
Markdownca41df641204ab4f6df026cd747aa651bf3c22ac4eee8ca8642f000ea7f055d0
PDF
Publication page4f4472ea08e53ee8fcc726f9cd9e79dcd3793a7ca81a89ca6c97bc8e4fcab239
Manifest544bc75ab864f462c309b7a80d6c7be6d509a8134776c555b2df02877c72b105

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
SignatureXssimkav+TkNKjcUuBFN8wz6ue3wjWlxD29DegbFCf7cWaX3Ci5sw2fUYVgSCJNxsO+VahjZkRUjm+yghO5kAg==
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

2026-09-17T11:25:43.649197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036520
observed 4f4472ea08e53ee8fcc726f9cd9e79dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:43.631759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036520/manifest.json
observed 544bc75ab864f462c309b7a80d6c7be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:43.614069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036520/publication.md
observed ca41df641204ab4f6df026cd747aa651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:43.598278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036520/publication.txt
observed 2f5cb02acf127860cd9b9a9e7893550f...
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.