OpenTechnical

OT-2026-000044020

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000044020) never changes.

Identity and time

Publication numberOT-2026-000044020 · never reused
Internal UUID01a0ae7b-d679-7f8b-90c7-750facb68286 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044020
StatusPUBLIC

Content hashes

Canonical text474b843ac2695982c1c85ea72b1757be84ba99b665c8d9ad5abf27c07aa0e0f1
Markdown9405cd74c7797584fe2e0a0ad8469a81ba0fc8d80941fc4ba8ff3553f07ded76
PDF
Publication pagea04bca40e694da2c790fd0ec5c12fb16b164fe498125e38e48022e604f50b281
Manifest7d909298e251d3afe174a670e00139a165d316fd3e15aa7d81dc9d87cce3f50e

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
SignatureX3YncuvOTdi6ycXmLimWeL//QUrlGEJhhScszbK/XKJRxRQ5FRpgTAfx6mkch42GjgNWePrbTl8/WjiSNhWjCA==
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

2026-09-17T11:12:24.236125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044020
observed a04bca40e694da2c790fd0ec5c12fb16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:24.204743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044020/manifest.json
observed 7d909298e251d3afe174a670e00139a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:24.183151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044020/publication.md
observed 9405cd74c7797584fe2e0a0ad8469a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:24.147754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044020/publication.txt
observed 474b843ac2695982c1c85ea72b1757be...
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.