OpenTechnical

OT-2026-000030397

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000030397) never changes.

Identity and time

Publication numberOT-2026-000030397 · never reused
Internal UUID01a0ae73-e503-707d-bcf9-f418415eb7ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030397
StatusPUBLIC

Content hashes

Canonical textb8efe14a12d0de17ba721adfb6f5c7e7b037af0a6c9e54ab3a04df208571cc06
Markdown30d495d3759aea7f3cb3544dc697daf9c72b7e5ab1eb527b96d2f46308c57eeb
PDF
Publication page947fe2aaae388fc2f5e1ad68d1b2bc5c0dcb2c99d1184b9fee3b6a44ce1c8bb1
Manifest74815624c7db686ba5e720473e39a4e06e4db7023d636720af5bbeca2baf6bfd

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
SignaturelxyeXc2H78YTnH4AG9D2i7qGd0kcvFLoOsYB42kGg4flxLqWL4NkJVJF9YFqG1XeGPEcceNfCZeLf/ikwIKTDQ==
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

2026-09-17T11:38:07.536265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030397
observed 947fe2aaae388fc2f5e1ad68d1b2bc5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.520092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030397/manifest.json
observed 74815624c7db686ba5e720473e39a4e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.503235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030397/publication.md
observed 30d495d3759aea7f3cb3544dc697daf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.480251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030397/publication.txt
observed b8efe14a12d0de17ba721adfb6f5c7e7...
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.