OpenTechnical

OT-2026-000019323

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000019323) never changes.

Identity and time

Publication numberOT-2026-000019323 · never reused
Internal UUID01a0ae6e-f392-7f36-8178-fd69f541eb3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019323
StatusPUBLIC

Content hashes

Canonical text74219de026df291069b140409d78e0b5b9a03357f6e74484faa3b68f425936f0
Markdownb29e4879030c45c8e7278730990f557cccac69cd851b6de8c8f2768b7a8345d5
PDF
Publication page0a3a25b09b3a652e69f9d2635bc23c3f1a292cec69a1b559fea704b2a57e1794
Manifest4136c7f967dcafb0fc0867c22d42e6e8e06105ea5e4441f6e22e8b258ddff05a

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
SignatureVM/3im7bvG6Sj+jyae23JPUMU/bOppo7k+cut/Ogx+NJr7TCV1BC4MfM45ryavsbtFZd3N/yqD12Oay9MPLODA==
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

2026-09-17T11:58:41.328695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019323
observed 0a3a25b09b3a652e69f9d2635bc23c3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.309631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019323/manifest.json
observed 4136c7f967dcafb0fc0867c22d42e6e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.288929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019323/publication.md
observed b29e4879030c45c8e7278730990f557c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.269945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019323/publication.txt
observed 74219de026df291069b140409d78e0b5...
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.