OpenTechnical

OT-2026-000025748

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000025748) never changes.

Identity and time

Publication numberOT-2026-000025748 · never reused
Internal UUID01a0ae71-a83d-7f16-993b-a05f4dc71edc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025748
StatusPUBLIC

Content hashes

Canonical text7c2495b1b6c8ec25dec338268005d70efe299f97d6d5e38939fa40910ef002b0
Markdowna44c63b8fe62213c71607a13b9e742c37af8c56916c73e6603245a3011a9596a
PDF
Publication page160b4cbef15f59d9edde4fb4f724044609eee0fea5414b715897eeb93db3ecb8
Manifest01491f3f95a5e0c69f81e0b34c45ec9c22eca4f5b1a29ccc1393ec574e362856

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
SignatureWa/eMOwbqSQ+b+fJHHfzvbfjS8bExu7cwluOFLhBxmk+GvLIIla3BDYbzaKYKep3fiqeoZhYbSQTb64WMLqwBw==
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

2026-09-17T11:45:56.865418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025748
observed 160b4cbef15f59d9edde4fb4f7240446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.845608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025748/manifest.json
observed 01491f3f95a5e0c69f81e0b34c45ec9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.829289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025748/publication.md
observed a44c63b8fe62213c71607a13b9e742c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.812832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025748/publication.txt
observed 7c2495b1b6c8ec25dec338268005d70e...
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.