OpenTechnical

OT-2026-000007052

Publication integrity record

Vacuum cup gripper, two outlet manifold, pump fed, sustained blow off before 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-2026-000007052) never changes.

Identity and time

Publication numberOT-2026-000007052 · never reused
Internal UUID01a0a970-eb75-7955-9728-96b90c995b21 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:04.951338Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007052
StatusPUBLIC

Content hashes

Canonical text15649a82d51231f25b551f9712361409db0cfdcf94a74e91b2c58fa2d9d54af2
Markdown457828cd103ecff4cce789b7af3675e217e97a92c92b28446d9c988c361ff3fd
PDF
Publication page70d0ae5dae7a4c3b3cc0463b92df5549f99f666c6688e513baa4cfa41843c893
Manifestc64f0ae93a8a971898e73805ffc367ad7cdbaffd4ffe07bc047424900cacbf9d

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
Signature6PQhLGEyUEdD9mCZgs4Cw8Xe+XveOtIfpMDICvX7msCcLU6/bly7sKDDmK97R6kFKGTHkE017ur/nu8pGivFBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:07.474324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007052
observed 70d0ae5dae7a4c3b3cc0463b92df5549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:07.461207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007052/manifest.json
observed c64f0ae93a8a971898e73805ffc367ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:07.447928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007052/publication.md
observed 457828cd103ecff4cce789b7af3675e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:07.433342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007052/publication.txt
observed 15649a82d51231f25b551f9712361409...
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.