OpenTechnical

OT-2026-000048545

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048545) never changes.

Identity and time

Publication numberOT-2026-000048545 · never reused
Internal UUID01a0ae80-4de7-7b66-b4f8-ecc735c91d36 · 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-2026-000048545
StatusPUBLIC

Content hashes

Canonical textd815cc35bc39198003a01043940a4f3e8b26955bdd28dbcefeb2b7b66953c519
Markdown9316fa7693036b4c44f71fe8428c4f78b99a9af58612b28067edaaa8085e7996
PDF
Publication page607f880feb10be8131f8643a4abe1834905efb2c81fabf85ef3fd4c7f51d07b9
Manifestf5869b679c99e7bf9588b05bc3544fbe99808f4e37adbc6a79b146351db62082

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
Signature3SG0sqNKfop9IHOmuyhdlDES5p9w1B7GU7oMtXsHPA7ZNemXgYG0GwpBX1/cCO4vcIo71WRGNpmYZWM+kRNsBg==
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

2026-09-17T11:05:20.289703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048545
observed 607f880feb10be8131f8643a4abe1834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.270780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048545/manifest.json
observed f5869b679c99e7bf9588b05bc3544fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.250567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048545/publication.md
observed 9316fa7693036b4c44f71fe8428c4f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.233578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048545/publication.txt
observed d815cc35bc39198003a01043940a4f3e...
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.