OpenTechnical

OT-2026-000040825

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, sustained 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-2026-000040825) never changes.

Identity and time

Publication numberOT-2026-000040825 · never reused
Internal UUID01a0ae79-6d10-78d7-b2aa-bbdf461f156e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040825
StatusPUBLIC

Content hashes

Canonical textbccafe5e81b8158d92100232fd782b65dd935eb81830429761516c6a421456d4
Markdownb4bdc8c769d4bc5b0c570fd04f2957e353468db5f781dc6dc9ab10d87371afb6
PDF
Publication page9b84c0d31746e173d6af663304522111b89e756b535267184b592415715f292e
Manifestca3efcf9601e48008a9a14588da3e3f1a48f079a1bdc41d720bed7350ef2bbc3

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
Signaturex1Mr8yX2f6JwkpVGGUXjHzha70RwUKber5XdxPhz1/K/HCgldfu9a5J30DmXWNxGlOlmbnB+0WatzsyLCe1yDQ==
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

2026-09-17T11:20:10.244702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040825
observed 9b84c0d31746e173d6af663304522111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.228071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040825/manifest.json
observed ca3efcf9601e48008a9a14588da3e3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.211721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040825/publication.md
observed b4bdc8c769d4bc5b0c570fd04f2957e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.194985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040825/publication.txt
observed bccafe5e81b8158d92100232fd782b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.214638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040825
observed 9b84c0d31746e173d6af663304522111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.195618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040825/manifest.json
observed ca3efcf9601e48008a9a14588da3e3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.177746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040825/publication.md
observed b4bdc8c769d4bc5b0c570fd04f2957e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.160825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040825/publication.txt
observed bccafe5e81b8158d92100232fd782b65...
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.