OpenTechnical

OT-2026-000020761

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three 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-2026-000020761) never changes.

Identity and time

Publication numberOT-2026-000020761 · never reused
Internal UUID01a0ae6f-65e2-7d34-8077-569573b8ced8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020761
StatusPUBLIC

Content hashes

Canonical text480044d0fb679f64697ea4f73014eca60f1c870a5811110f070d759dea55d6e6
Markdown8b3e0192af6df2aa97e3a3d0cbde00ceed51627958062e741a72bf6621708746
PDF
Publication pageffa82895cb108d4e4adf6d9758fd9a1d4d490fbb73e1122fd3a1b9ed13601654
Manifestc81fb54e944cf93f86e3be2ea1ff0a7b9accc4d6796402cfcd0635c95fe1c52d

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
Signatureds+1neZ/AXs8XuUJw9IR7eHWOJEAm8r7UKiI0nnbUJej6bSzhAuzo9sdQtov7WSkjqfJ8Jc+epQbk/TgG/rEDw==
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

2026-09-17T11:55:50.120564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020761
observed ffa82895cb108d4e4adf6d9758fd9a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.100911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020761/manifest.json
observed c81fb54e944cf93f86e3be2ea1ff0a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.082189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020761/publication.md
observed 8b3e0192af6df2aa97e3a3d0cbde00ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.063755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020761/publication.txt
observed 480044d0fb679f64697ea4f73014eca6...
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.