OpenTechnical

OT-2026-000100044

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000100044) never changes.

Identity and time

Publication numberOT-2026-000100044 · never reused
Internal UUID01a0aea3-1474-7f9c-a689-95d24acaa11f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100044
StatusPUBLIC

Content hashes

Canonical textbef6c9a0b68680d495598407d346bf38aa3bf033329d621e0c33fd44ed7488a5
Markdownc995cce4fa1a84f208f2adab97d78649b69d34014e2cbba0e3b211f3246f4884
PDF
Publication page00701d8f30c5be61c7876a97cd0ad76f4815d809a619dc78363415cb0e237392
Manifest513c0d83be06bbd6e614e7d901c29691ae53e02f1b10756c9776f5e01c1ee604

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
SignatureLaaw8f0DCdyZMaBk1rH0TcMOUPJE2vBOD9/fa/iy185eZoLfDwceb4je4kEzaM+/nUtTAfAZ5lo6dZfwWaCLAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:58.994261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100044
observed 00701d8f30c5be61c7876a97cd0ad76f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.977857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100044/manifest.json
observed 513c0d83be06bbd6e614e7d901c29691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.959254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100044/publication.md
observed c995cce4fa1a84f208f2adab97d78649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.941573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100044/publication.txt
observed bef6c9a0b68680d495598407d346bf38...
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.