OpenTechnical

OT-2026-000022971

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000022971) never changes.

Identity and time

Publication numberOT-2026-000022971 · never reused
Internal UUID01a0ae70-46ec-7e03-afa1-904d056c1ae4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022971
StatusPUBLIC

Content hashes

Canonical text7e25fff7fb6fcae7863bd90023e91620b5622dc818c206f6c16a773646afc951
Markdownb246f0ab3649e8bbc47b9980ef6511b5c309fb84c6aa922b58d0556d6dbd903b
PDF
Publication page1de2b042f8b5dfc319a0172e5d2d71ea3f82ddd60e87872ef07ccea6612ee17f
Manifest6fce2631e0110c771fe6aeede0862863fc1bad744af8f22ef80b943f0f4edb19

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
SignatureRtE9dOECmzw3KfCTUeApE3LFK980g+x9P9/4lFCL9zPnxK+4O/WtA4DsOK7mNsfiqcvUuXAGD+WrwHSJjCNsDg==
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

2026-09-17T11:52:33.566593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022971
observed 1de2b042f8b5dfc319a0172e5d2d71ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.549251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022971/manifest.json
observed 6fce2631e0110c771fe6aeede0862863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.531664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022971/publication.md
observed b246f0ab3649e8bbc47b9980ef6511b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.512693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022971/publication.txt
observed 7e25fff7fb6fcae7863bd90023e91620...
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.