OpenTechnical

OT-2026-000080494

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000080494) never changes.

Identity and time

Publication numberOT-2026-000080494 · never reused
Internal UUID01a0ae96-7e78-7329-9f08-95a532990e83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080494
StatusPUBLIC

Content hashes

Canonical textc49e17c7a63a02b704489b37f32b4b26f0dc40e6ac9b895bc67e6df0fbd3165c
Markdown73932f9c7adf02ccfc05cf0f3459fd8d595c700a15ff2413836b22d04884a1cc
PDF
Publication page09e4fa80330bc995b346f216f17e9f41c43d174c55ae038dbe7bc1de67b4e036
Manifestc75ca4a7cd1f76be07781ffbc24bc37c62c6d72ea1fb228682ef8ae008d1a0c3

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
SignaturexJ/TuZmbZ2sjD7k6Se9pJ1N9ZlFLxb6G37vhw0OSS+oPPDpoLhy4WxnA58QwAYxgNFlW6xmPFFLnVzCW7XxsBw==
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

2026-09-17T10:02:34.778145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080494
observed 09e4fa80330bc995b346f216f17e9f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.758173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080494/manifest.json
observed c75ca4a7cd1f76be07781ffbc24bc37c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.741271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080494/publication.md
observed 73932f9c7adf02ccfc05cf0f3459fd8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.723480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080494/publication.txt
observed c49e17c7a63a02b704489b37f32b4b26...
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.