OpenTechnical

OT-2026-000054564

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000054564) never changes.

Identity and time

Publication numberOT-2026-000054564 · never reused
Internal UUID01a0ae86-1283-7e3c-b087-ad0e04c9b9dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054564
StatusPUBLIC

Content hashes

Canonical textb85821f14b55f6440dfe98e4c04a540ab18962aeb2b83c0a50f2cc51cc67e201
Markdown0242c0d39f8d275326fbb85bdb0bc71edc2bcecc3982dd9480664b4236e34397
PDF
Publication pagedb1119e7c4dc50df456f9f18393797e5337677c1d8754b87552002cabb2f4713
Manifest73c123db3af3514e02fb29ce53afc4932003c1f9043418ca15284685ce41312c

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
SignatureW/dkjd99ffBh3GTaJjRvOIc8vyWme1hgGe7MeTkV1AAqDxlIRyv5sjKp2Z+b9bY65PofFflzy27RH6nD9RnWCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:36.534803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054564
observed db1119e7c4dc50df456f9f18393797e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:36.518138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054564/manifest.json
observed 73c123db3af3514e02fb29ce53afc493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:36.497116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054564/publication.md
observed 0242c0d39f8d275326fbb85bdb0bc71e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:36.480358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054564/publication.txt
observed b85821f14b55f6440dfe98e4c04a540a...
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.