OpenTechnical

OT-2026-000072260

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000072260) never changes.

Identity and time

Publication numberOT-2026-000072260 · never reused
Internal UUID01a0ae92-47c2-794c-a396-1eee5ab50b47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072260
StatusPUBLIC

Content hashes

Canonical textca972c955b5482b2368f39552ae03fed150087f91c652f2bff07fd1d6f30f25c
Markdown0b1be1f4d256da39aa70f287c3a9c2587c2b8faf1898413cf692a475f74ff438
PDF
Publication page7ae3d3e7c9fc199610703349a395768fadcc365ae671949c330256b05dbbbfbc
Manifestbdeb30b2638e8ca8ab4ef778b17825f1cc267b15e6473f40e778aaaf0aa1dd39

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
SignatureMCEjmcfXzcsAYNyVekVn4fGbMjEEAjNmp7OfbZmCiU06hKBmqWBYX1AyPvkjkMQmvxeOMenzOq8ySbYuChe+AA==
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

2026-09-17T10:23:22.273269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072260
observed 7ae3d3e7c9fc199610703349a395768f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.256392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072260/manifest.json
observed bdeb30b2638e8ca8ab4ef778b17825f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.238108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072260/publication.md
observed 0b1be1f4d256da39aa70f287c3a9c258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.220406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072260/publication.txt
observed ca972c955b5482b2368f39552ae03fed...
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.