OpenTechnical

OT-2026-000035501

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000035501) never changes.

Identity and time

Publication numberOT-2026-000035501 · never reused
Internal UUID01a0ae76-b4c4-7df4-97d6-7f068a915f79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035501
StatusPUBLIC

Content hashes

Canonical text9d77e2d658fd7d34b87cd2bee113d34ea00c0a7932628d89cd86ace864a169f0
Markdownd41a13b7dbf442c5d6d60417d7b30ab049d5cb23f5ab30a1a446571755195032
PDF
Publication page80ec00e30f9463a621eff32c43069a07d433e47c399e249d9fe99a1e093ab041
Manifest5c78b478820ea1e66f1817d08c41638d260d84dccf71204753060730c331f690

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
Signaturej+DdfxPg9CObIpwoIMEKA/YKOymmJVA/iTvp23T1sMxjFs6UtSrgwK6Cb4luIx9669enGVOYLwK4HuVz9MbxCQ==
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

2026-09-17T11:26:55.080958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035501
observed 80ec00e30f9463a621eff32c43069a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:55.061659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035501/manifest.json
observed 5c78b478820ea1e66f1817d08c41638d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:55.042144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035501/publication.md
observed d41a13b7dbf442c5d6d60417d7b30ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:55.025644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035501/publication.txt
observed 9d77e2d658fd7d34b87cd2bee113d34e...
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.