OpenTechnical

OT-2026-000042978

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000042978) never changes.

Identity and time

Publication numberOT-2026-000042978 · never reused
Internal UUID01a0ae7b-3277-7227-9f7c-f88c921b7baa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042978
StatusPUBLIC

Content hashes

Canonical textaedb619e0487da216e710496d88e8595e1fc5ec2a96bce4b35dea0b5d8b953a1
Markdown84003272b69e688b613887ca1128850cc7c99afafe06123f8580c4bf3a02aa9a
PDF
Publication page908120ac265460d995a1b089cf5d32edc8e4d89f32725ba592314cbb80e06058
Manifest0e2eada59d833e47dd9e6c5892e500ed0b484f6e3ae0f0c36ae0a272135dc33a

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
SignatureeRSPtf5GzCKt0Cf/jvuJR+DC6cR9IlTHqx8apUekPFFIs+asSjM1Um8I3ID+3NZxXMYutffMMhm36ZExVG2rBw==
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

2026-09-17T11:13:16.677633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042978
observed 908120ac265460d995a1b089cf5d32ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:16.658655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042978/manifest.json
observed 0e2eada59d833e47dd9e6c5892e500ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:16.641404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042978/publication.md
observed 84003272b69e688b613887ca1128850c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:16.622559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042978/publication.txt
observed aedb619e0487da216e710496d88e8595...
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.