OpenTechnical

OT-2026-000007732

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000007732) never changes.

Identity and time

Publication numberOT-2026-000007732 · never reused
Internal UUID01a0ae62-843f-71c2-8a44-f189e611adde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007732
StatusPUBLIC

Content hashes

Canonical text432db2910893e1da13e082546a2f9da73a1e39604893869f56baabf9800d452c
Markdown45bce6616061905545382732084a6d9a7f6e6b4a68e72a69345f5886becaf23a
PDF
Publication pagee17d18dd2175f72fa4f05e3c6800a0594c228ce007ebe116ba3d5a08c46e84ec
Manifest3c2cb79bd92004dfbe37f02340e924f61148e2f897a496a449a2613162a88d91

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
SignatureYOFc+aytSMAYB0N73bo3HtD62Q+vp/aBhmrlJHbxN5GRn+XCrlruMys6xT0qtMi8/jF+WWffe4nkvA3Pg5w3Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:07.403753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007732
observed e17d18dd2175f72fa4f05e3c6800a059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.387623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007732/manifest.json
observed 3c2cb79bd92004dfbe37f02340e924f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.367865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007732/publication.md
observed 45bce6616061905545382732084a6d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.349224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007732/publication.txt
observed 432db2910893e1da13e082546a2f9da7...
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.