OpenTechnical

OT-2026-000062551

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000062551) never changes.

Identity and time

Publication numberOT-2026-000062551 · never reused
Internal UUID01a0ae8c-0ac1-761f-86a5-f4742789a93d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062551
StatusPUBLIC

Content hashes

Canonical textbfe5264b950ee738203389bd04dae30b37c10c1a8ba1c0204181e1fb8aab958f
Markdownd4eaae966f7468cb7b9d3d90e74308a4a556f83a7f3ff4630bc22b798089cddb
PDF
Publication pageb5b7a007118385517af23687e29f3d62caaec23b144d41f0899d29f8d48f950c
Manifestda04c7e65b0719b8471efcc1bfe62560099e263217ed9555020059e244908b3f

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
Signature2RK31MsCTqdVsAMpe1OvcWKMG1jx3MFkLEuAtGHYJ+LzGUiFel9R+i0G4AW3Lj4mwjliYrfngdhV6B+hWYMqDg==
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

2026-09-17T10:40:01.232259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062551
observed b5b7a007118385517af23687e29f3d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.204404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062551/manifest.json
observed da04c7e65b0719b8471efcc1bfe62560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.177828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062551/publication.md
observed d4eaae966f7468cb7b9d3d90e74308a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.156326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062551/publication.txt
observed bfe5264b950ee738203389bd04dae30b...
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.