OpenTechnical

OT-2026-000078425

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078425) never changes.

Identity and time

Publication numberOT-2026-000078425 · never reused
Internal UUID01a0ae95-7c28-7a44-a3d7-6a4542de4c91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078425
StatusPUBLIC

Content hashes

Canonical text7c78b2dc9282a93da44e9ec0758607c233b6c7c04a6d6acca121b82bd2a5ae7b
Markdown58f7149c96b8c0b84200b5740edf3c8d905a66d13bf2ce53b089272bce4c9bff
PDF
Publication pagecd1ecee5574da0db8df55f02c1aee1229b10de21fca53b0dcf7a00da7a460b12
Manifest7f52276fa8586b316c62fc08f6b3ba2c14ef0d6ad11a2deea9e52d65231f4221

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
Signature8XzxUpH968w8zJlmDj0gIUsLZe+Pg2DEfCB93FIY/7TSGKN/2m82qIWyJoruWU6gb8OEieuQ7zvU6xN8wj2LDg==
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

2026-09-17T10:06:25.282714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078425
observed cd1ecee5574da0db8df55f02c1aee122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.263437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078425/manifest.json
observed 7f52276fa8586b316c62fc08f6b3ba2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.241711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078425/publication.md
observed 58f7149c96b8c0b84200b5740edf3c8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.223342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078425/publication.txt
observed 7c78b2dc9282a93da44e9ec0758607c2...
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.