OpenTechnical

OT-2026-000072580

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented before set-down

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-2026-000072580) never changes.

Identity and time

Publication numberOT-2026-000072580 · never reused
Internal UUID01a0ae92-89d8-74ce-91e0-8e21fa3bd8eb · 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-2026-000072580
StatusPUBLIC

Content hashes

Canonical text54d7e4f50ee6ceabe2c871886ab3ad9caeda2d186743098fdbcf089d32cb31c9
Markdown4306d1aab3ae22f03420a6c3bbce97f214a2a8b2b1e9f0c1515ac2e2ef15885b
PDF
Publication pagee332111aa181df63fadaff0fda828db412ebf219302451c8c534ef24f674fb0b
Manifestb3e3d03d889e8973bd343f89f25a78c77028db8776ca57b0bb5c7c58c7bc49da

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
Signature0Yxl31urcvtHKD6bps4P4zmgJJGBEYrfjNBlJKVXHA4ZEqVjwM+NHB0KGpOcdR4UsNkwvaVzvjZYcl3B/eOlAA==
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

2026-09-17T10:22:25.311119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072580
observed e332111aa181df63fadaff0fda828db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.291615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072580/manifest.json
observed b3e3d03d889e8973bd343f89f25a78c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.271910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072580/publication.md
observed 4306d1aab3ae22f03420a6c3bbce97f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.252819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072580/publication.txt
observed 54d7e4f50ee6ceabe2c871886ab3ad9c...
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.