OpenTechnical

OT-2026-000073725

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line 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-2026-000073725) never changes.

Identity and time

Publication numberOT-2026-000073725 · never reused
Internal UUID01a0ae93-2b8d-7e6d-a20f-687f09bb7b45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073725
StatusPUBLIC

Content hashes

Canonical text0d7aed73e9ced40c3612c0a65389c50b781f32955b8a3a22d9f6d82160b4b78b
Markdownf2f4b2fe2ad451888461ec82d7d5180501330b8c014ea16390e13d1b087b6b78
PDF
Publication pageb7255d35c603efeefab983c9accf7c608561f44c407779ae50114a3d49f71a23
Manifestd37411f11a6444ed5543dc8d3b9df50b3c750a07f559364a6e1c8cc3225141af

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
SignatureurT0qKvkkbRsU3uznPqNkZFxaYIoMPZzu5EVW8ocv3HcWu0Z3K8KcR3y5RXCZ4yGO7cI603L/NBSP1D04wC3AQ==
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

2026-09-17T10:19:48.036200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073725
observed b7255d35c603efeefab983c9accf7c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.016722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073725/manifest.json
observed d37411f11a6444ed5543dc8d3b9df50b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.995323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073725/publication.md
observed f2f4b2fe2ad451888461ec82d7d51805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.975560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073725/publication.txt
observed 0d7aed73e9ced40c3612c0a65389c50b...
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.