OpenTechnical

OT-2026-000043184

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, pulsed 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-2026-000043184) never changes.

Identity and time

Publication numberOT-2026-000043184 · never reused
Internal UUID01a0ae7b-327c-73d7-b2df-86d9fc9c609a · 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-2026-000043184
StatusPUBLIC

Content hashes

Canonical textf4ddeb872c6b540b770c0eb8fc78dd44b1d3fad1e0a004411e2c9621b2b432e6
Markdownf7aaada90e5dd646e832e97174d156113d9372ff8b20bfdb29a1d79e05fbfa90
PDF
Publication page18bde7d3632678cda51be627acf54f5463409f3e7ccbca2287e308e72795863c
Manifestf5dc86577c64e3fa97f00a924d070f3b0371f03201dd803d5d6cca0f41b59ba2

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
SignatureGsQyV6P127o22GQ6PIBDcLFyEZvg7kAWj8+0OSnSWAjC2nkKbdQDzKWdNU/p9fBzwdt6aUdPFc8fQ946kp4PCA==
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

2026-09-17T11:13:38.182696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043184
observed 18bde7d3632678cda51be627acf54f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.163838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043184/manifest.json
observed f5dc86577c64e3fa97f00a924d070f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.145681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043184/publication.md
observed f7aaada90e5dd646e832e97174d15611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.125947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043184/publication.txt
observed f4ddeb872c6b540b770c0eb8fc78dd44...
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.