OpenTechnical

OT-2026-000025456

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000025456) never changes.

Identity and time

Publication numberOT-2026-000025456 · never reused
Internal UUID01a0ae71-5fa8-79cd-a9a4-3c9be25faf18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025456
StatusPUBLIC

Content hashes

Canonical textc4a07768d130b164dc5eac8abb068d4f29e6074bf9f612910c4c6e3ca32ffda6
Markdownfb274b111e8de2c6bf37a2c9084cd59acf84e592dfd37af9ef54775abb08542e
PDF
Publication pagebef97d8fab7f05bdce56b76bfcd9e22d2b948d523a4bbcd21e797e8d80b07eeb
Manifestb90d8ba4ab793714e42c9407aad3cc801943a9cb9b8b981a5dbaaa441680e10b

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
SignaturedYhBCF9eqq2I4zI/dm0NOSFyrni8e7BTJ7ZGmhlCa1eg9EWpAB4sHqipx1C4oL/TybJp2KKdGKDti7ZSRoViDw==
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

2026-09-17T11:47:32.428410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025456
observed bef97d8fab7f05bdce56b76bfcd9e22d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.401884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025456/manifest.json
observed b90d8ba4ab793714e42c9407aad3cc80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.384356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025456/publication.md
observed fb274b111e8de2c6bf37a2c9084cd59a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.365349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025456/publication.txt
observed c4a07768d130b164dc5eac8abb068d4f...
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.