OpenTechnical

OT-2026-000072864

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000072864) never changes.

Identity and time

Publication numberOT-2026-000072864 · never reused
Internal UUID01a0ae92-89da-754d-a32e-5642053f6817 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072864
StatusPUBLIC

Content hashes

Canonical text784fc8c184f62fc8e3dc8331c28ccf5d69eaaad180f80be6bd34c3dd83363f70
Markdown03f6217cab0d6ec363cfe46131fe9b1673549ff0d5ae0331d9820d3a8dabc7ee
PDF
Publication paged236c3f72a295dba925b72708721c04567ec94058046427c2ded8bc114f8f6b9
Manifestb1ae0e26ffaca80a8b145abb8e89b638dd5e2a51eeaabe984962b5b4a3b768b8

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
SignatureB0/Fq+ihvC2iyxp0B6FkckIyApdLN0oElBlljzaD9o+GOwr+twjxq/kpniSllguKr5iU4i8QiqEghXqJTJJvDA==
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

2026-09-17T10:22:47.418920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072864
observed d236c3f72a295dba925b72708721c045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.401945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072864/manifest.json
observed b1ae0e26ffaca80a8b145abb8e89b638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.385317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072864/publication.md
observed 03f6217cab0d6ec363cfe46131fe9b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.368998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072864/publication.txt
observed 784fc8c184f62fc8e3dc8331c28ccf5d...
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.