OpenTechnical

OT-2026-000048280

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000048280) never changes.

Identity and time

Publication numberOT-2026-000048280 · never reused
Internal UUID01a0ae80-4de3-7ddf-bc74-c58ed75465a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048280
StatusPUBLIC

Content hashes

Canonical text0e466d07b19a7d8ea4b2d9ea82ef675c1d95e6481340ea7ffbd4fb1a0e756de8
Markdown0f48bfc0f1b1e26b93ca2376121cd3aca70fea514f2256521a6f3aec3f944727
PDF
Publication page7ed54a258842f43778d67f12fc1b33c0a0116a64b848da0c848b79106255e15a
Manifest6ef83eedd6b83af6f4008b7f7fff5e40936fb3170f8e34b75f5ca5b0dbe2b61d

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
SignatureD0IvBSTh28uAaApvTqm+xo2y45IgQXZfnDk7TpwbO7DpVsCIo3GXEYmZ/Z1BWQPKGoCGtyjZhyfOTeoYwHZVDA==
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

2026-09-17T11:04:51.694866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048280
observed 7ed54a258842f43778d67f12fc1b33c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:51.676671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048280/manifest.json
observed 6ef83eedd6b83af6f4008b7f7fff5e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:51.654832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048280/publication.md
observed 0f48bfc0f1b1e26b93ca2376121cd3ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:51.633215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048280/publication.txt
observed 0e466d07b19a7d8ea4b2d9ea82ef675c...
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.