OpenTechnical

OT-2026-000073378

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073378) never changes.

Identity and time

Publication numberOT-2026-000073378 · never reused
Internal UUID01a0ae92-efb8-7ea5-9f22-03bf89f0d16b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073378
StatusPUBLIC

Content hashes

Canonical texta7720fb7bc00e312bfdb3ae1813646ba4dbdb6de2b65d7c9421609d25f53f42d
Markdown33d0a357495afb61cb7aa4970f3b39eb5cbfdbcd82fa243cdeb9999320c55a45
PDF
Publication page1c19de95fd49c2209e0ff9ee20e3da580acf0b6cc70091f6cfc11f61c038e634
Manifestdb3aa6ffad49789507ea786b2275710781cca9bf0891e1e84d7c884457f03ed6

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
SignatureLwHad4QM3d2ujb4bV3FjBaV9QcG2QdlSHvQ3HMptcbvwjxmaWI9RKcM5pKYuKVqNDoR0d0I9vRJ/94xOWPuVBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:25.096777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073378
observed 1c19de95fd49c2209e0ff9ee20e3da58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.075196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073378/manifest.json
observed db3aa6ffad49789507ea786b22757107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.056774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073378/publication.md
observed 33d0a357495afb61cb7aa4970f3b39eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.038425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073378/publication.txt
observed a7720fb7bc00e312bfdb3ae1813646ba...
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.