OpenTechnical

OT-2026-000074680

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000074680) never changes.

Identity and time

Publication numberOT-2026-000074680 · never reused
Internal UUID01a0ae93-ac2b-76ea-8b49-2b9401ff6a57 · 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-2026-000074680
StatusPUBLIC

Content hashes

Canonical text9c462fd679daef9d998bf26d9aac578aed731a5cccc8ebb5e2d7fa201472a4bb
Markdown4baa5c20aaa73f9cfa8f187ab5f7421a77fd3c51e6b6ccd6d03080797e8ee3d9
PDF
Publication page39b6a1913bd469c327fc8405f8389761851e8ac3b8181b8ca6cd3757388a27fd
Manifestd038aea90306e0e8be28f7ff647920de72e1514bb0f7337c92045a40df8a7902

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
SignaturewprNKKX6PfmUz7icukhePoUNDI9W4K0ARHaBMHCu44TzaKswE7m2rlgKqR3Fk0KvE71aQFCCcwUGFa2vhSngCA==
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

2026-09-17T10:18:15.849787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074680
observed 39b6a1913bd469c327fc8405f8389761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.832892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074680/manifest.json
observed d038aea90306e0e8be28f7ff647920de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.814575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074680/publication.md
observed 4baa5c20aaa73f9cfa8f187ab5f7421a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.795687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074680/publication.txt
observed 9c462fd679daef9d998bf26d9aac578a...
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.