OpenTechnical

OT-2026-000013258

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, pulsed 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-2026-000013258) never changes.

Identity and time

Publication numberOT-2026-000013258 · never reused
Internal UUID01a0ae6d-6fc9-776f-9be1-1f5844f327fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013258
StatusPUBLIC

Content hashes

Canonical texta2ef06fd3c09a33107d8c0edf75185c810767daed33d87a4d6f0cee9ee04a82d
Markdowne00540b2c47139b72566f826b84d50834237db8923c059de14a6286d803414d1
PDF
Publication pagecc95cba20fb670add8404d538846dc7c5ad8149e55ba9c8a6ec790cfb5519b76
Manifesta02acad63f32db49d34699941102acc1648c30cc85ef241c819306d9a4130fb9

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
SignatureZPCs4oAmae7g2BGIFd+ZySxLLIWw2pW2NbFBCc4wS4DqJV/DO56q2liIxHhO2qrzgBEJqG2KOwzaCRc0t+IKCA==
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

2026-09-17T12:09:39.957918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013258
observed cc95cba20fb670add8404d538846dc7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.936493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013258/manifest.json
observed a02acad63f32db49d34699941102acc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.915105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013258/publication.md
observed e00540b2c47139b72566f826b84d5083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.896233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013258/publication.txt
observed a2ef06fd3c09a33107d8c0edf75185c8...
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.