OpenTechnical

OT-2026-000081579

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, sustained 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-2026-000081579) never changes.

Identity and time

Publication numberOT-2026-000081579 · never reused
Internal UUID01a0ae97-0f71-7538-8b97-c72c6e4228a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081579
StatusPUBLIC

Content hashes

Canonical texta0724f7c5157c6a6654e6c51229f4b78a57c7f5294f1bc921e324ac016452a01
Markdownccb019e2f6438847c086e79572634d1e5d962b47c072b7e539119751d8c61012
PDF
Publication page4eaacef6b5b31c7b3cffa0c686f028168c5b8ce1bf56a4e8e07b5d2dfc6d89b0
Manifestc9439568674284ebf67ee2cc2d8b9a5c003ec410cded9c0cbbc89e5fe10eb0cc

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
Signature0RUTf8QzvDmZD5h5ovjhgUfUoBmPP5EU9m5gWZjcX5X+FwPwJVva3bkCZgMJcjhlj1oSCM7z8yKDqEzjuancBg==
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

2026-09-17T09:59:36.687054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081579
observed 4eaacef6b5b31c7b3cffa0c686f02816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.670358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081579/manifest.json
observed c9439568674284ebf67ee2cc2d8b9a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.653102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081579/publication.md
observed ccb019e2f6438847c086e79572634d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.635878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081579/publication.txt
observed a0724f7c5157c6a6654e6c51229f4b78...
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.