OpenTechnical

OT-2026-000074798

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000074798) never changes.

Identity and time

Publication numberOT-2026-000074798 · never reused
Internal UUID01a0ae93-ac2c-70ca-b0d5-c03fd2835654 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074798
StatusPUBLIC

Content hashes

Canonical textacfef18cea6d2ae2cff27912f5cc2c14403a4582941676cf592265ab9c34d7de
Markdowna1470c6f4262c1bff00a0854832e800c4a06c7f475571e2c9a65f9ff6cfccdfb
PDF
Publication page571257cc0b5f27dc0349e8170a906ff41c1360682b88d3119fa847780fa590da
Manifest623499acc3dde445107c33566a4a92145701ca14f21a2bf167a26f83baeae759

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
SignatureXblqIQrV2GLJ22ny1uDEFT7ZOsxKVOB/Ca1rsz7hVtEo94gh8FpuCm96FOM9v7leg+hf35+CkakZRDwlpYw+Aw==
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

2026-09-17T10:18:30.089429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074798
observed 571257cc0b5f27dc0349e8170a906ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.071944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074798/manifest.json
observed 623499acc3dde445107c33566a4a9214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.054293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074798/publication.md
observed a1470c6f4262c1bff00a0854832e800c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.034076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074798/publication.txt
observed acfef18cea6d2ae2cff27912f5cc2c14...
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.