OpenTechnical

OT-2026-000028278

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000028278) never changes.

Identity and time

Publication numberOT-2026-000028278 · never reused
Internal UUID01a0ae72-e2f4-74cb-bd02-ea564c0b9109 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028278
StatusPUBLIC

Content hashes

Canonical textef35bbabe91853c81306b0aa169acda008e93aaf67af1083b1d9929319209b75
Markdowne1763c69f74ec74ff51e410e338b6b84820533e91e267a3de5d90f507ad49ef8
PDF
Publication page330914e3ee5be0151b8a3406fa2de834feda3e334f6047853aced8071b8cdf3a
Manifestb9c8d23c0a38cab78d3d170a278e4e0728939a5b0b52e07eb52c1810b56c2cad

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
Signature7+EXJ7XstKxH1Dd7wai+Wm5rXuZap8t2/YAMvCu2TbvukW0I1pZQ8tgIrv0Z7qDLki9kxICYPNBr8yfDPVEdDg==
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

2026-09-17T11:40:09.381195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028278
observed 330914e3ee5be0151b8a3406fa2de834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.364623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028278/manifest.json
observed b9c8d23c0a38cab78d3d170a278e4e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.349558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028278/publication.md
observed e1763c69f74ec74ff51e410e338b6b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.332015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028278/publication.txt
observed ef35bbabe91853c81306b0aa169acda0...
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.