OpenTechnical

OT-2026-000075884

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000075884) never changes.

Identity and time

Publication numberOT-2026-000075884 · never reused
Internal UUID01a0ae94-29ff-7a95-af90-a80ac32fd01f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075884
StatusPUBLIC

Content hashes

Canonical textbf14a1095944051c922ee6dfaf1523ec45c5fb13df917e3aa957216a163f0d15
Markdown9af4b500103c6705b7f3142a47533999a2ed7a88bcc6da295b5a01a921f1ff8f
PDF
Publication pagefc273783d34b16f0a360fd2168edb645843a9ca2a10c8cad91eed837287de1d1
Manifesta8f344fb5ee9f123052fd6b7827292ace5fcd56dc4f6fa9d65a606e3894ade34

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
SignatureEqMQjiiRXyYESA2lRsAwgJg8Dl2O/zwKajrK8qhMqdf0U2j8VMHEWSEzLpLB5AXa9SSMwRWsvKhs4t3d+UfgCw==
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

2026-09-17T10:14:39.734901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075884
observed fc273783d34b16f0a360fd2168edb645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:39.715879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075884/manifest.json
observed a8f344fb5ee9f123052fd6b7827292ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:39.696380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075884/publication.md
observed 9af4b500103c6705b7f3142a47533999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:39.569951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075884/publication.txt
observed bf14a1095944051c922ee6dfaf1523ec...
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.