OpenTechnical

OT-2026-000013206

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000013206) never changes.

Identity and time

Publication numberOT-2026-000013206 · never reused
Internal UUID01a0ae6d-6fc8-7134-bd37-85691dc0d015 · 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-2026-000013206
StatusPUBLIC

Content hashes

Canonical text6194c7030c9c836f1e93f5f98dc67cddfc134c0abac36ef7a286c58c8fea5345
Markdowna21c115f037cee89f5668852aa13c40ef0eda83d04530100bdebd9514de1fa09
PDF
Publication paged7d96619a0819367d6af406781ef2f3018b38810504d660716d38941e3122cfd
Manifestb3d455ace03a22183b354ef7cdd890604b7274608b90d64d6c114ef508a6b694

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
SignatureciZGDp2iV5dCBRXroqlzL234lLLdrNR/2KoG+7HX1kSdHyQwG8c4oj5MFp6D21boRSXFvhE/dolNPmf3d2P2CQ==
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

2026-09-17T12:09:35.569980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013206
observed d7d96619a0819367d6af406781ef2f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.549034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013206/manifest.json
observed b3d455ace03a22183b354ef7cdd89060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.528833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013206/publication.md
observed a21c115f037cee89f5668852aa13c40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.509745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013206/publication.txt
observed 6194c7030c9c836f1e93f5f98dc67cdd...
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.