OpenTechnical

OT-2026-000042802

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000042802) never changes.

Identity and time

Publication numberOT-2026-000042802 · never reused
Internal UUID01a0ae7a-c0d0-7d98-ad5e-22379b210ed1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042802
StatusPUBLIC

Content hashes

Canonical texta7edb8549a8d5f34c4f06d1f0bb52f1fb18e1c5b4c4f0a9aea8e0eac80b26175
Markdown2598805fd8768e85a1eecb68f4d7d63e43b800391b774451354fadcc55fffd5e
PDF
Publication page25c276300155794b44e3009a66c5723d8717d0d9f85099cbcba8a9fbaa04642d
Manifest3aed2272f29ba5031c2350c51a050e89640981e57040e296aa8263b574d7e2a1

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
SignatureuvlbqX6lIg8QO5PqMEJwiDu0BL3gVyYRDAsmjJB6fG4adB+MZFgfFpRqj1j7mFH4IKW7BETMqf9B+MppcHh/Bg==
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

2026-09-17T11:15:16.440785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042802
observed 25c276300155794b44e3009a66c5723d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.419536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042802/manifest.json
observed 3aed2272f29ba5031c2350c51a050e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.380920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042802/publication.md
observed 2598805fd8768e85a1eecb68f4d7d63e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.343416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042802/publication.txt
observed a7edb8549a8d5f34c4f06d1f0bb52f1f...
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.