OpenTechnical

OT-2026-000021032

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000021032) never changes.

Identity and time

Publication numberOT-2026-000021032 · never reused
Internal UUID01a0ae6f-65e4-7d3f-967d-d0b8b35b7277 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021032
StatusPUBLIC

Content hashes

Canonical text0dbc6543e33f7b5655f5357befb4acb2d3c96a5f31d00be2a6bff8757746e929
Markdown5ae2983c9baa7fd01265b419f58f2c1ea5c2808d04dedab7e6b9d610abb7f327
PDF
Publication pagea841c5025a5c47dea8c62c1249e04739b63700ed6d0434c450be5e6850bd7899
Manifest9d383712c7145e2995bf87cc2496ee86e2b300f62201fc296a86a1654abc06bb

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
SignatureDXxm63yV0ybPuT8cMLftdtyTrKrVrHJbw4Ahd2tTFRMnUj/vORPvRVXZfwFaj9WsLHQ7Widd4GZu0n9UYThFDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:11.718947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021032
observed a841c5025a5c47dea8c62c1249e04739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:11.701281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021032/manifest.json
observed 9d383712c7145e2995bf87cc2496ee86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:11.681599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021032/publication.md
observed 5ae2983c9baa7fd01265b419f58f2c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:11.663337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021032/publication.txt
observed 0dbc6543e33f7b5655f5357befb4acb2...
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.