OpenTechnical

OT-2026-000012243

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000012243) never changes.

Identity and time

Publication numberOT-2026-000012243 · never reused
Internal UUID01a0ae6d-39f5-7a52-827f-52f99dbf20dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012243
StatusPUBLIC

Content hashes

Canonical text1908f279976f02e5ea7202d7d56c0bf7d229637cb960f7c0530448044d4579e7
Markdownd14607aef10be160af8a434d926afd3c00ca273d43ea90f82d537318f621f35a
PDF
Publication pagea43b9087699b5f96fa11da6ca47b8c424883b416ab8d37259638252d7419cadc
Manifest34300555534b43231cf96f5ec2671d544de994262b26396a610034249cec9b60

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
SignaturenkW6U6LZlWG8k9+f/1yzpPBtwgDZfhdxfezyD8QIikGFmGYlhdBUVNSEmKnbHx4I2s1L7NfsS5PAFxIJly5OCA==
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

2026-09-17T12:11:10.253168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012243
observed a43b9087699b5f96fa11da6ca47b8c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.233205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012243/manifest.json
observed 34300555534b43231cf96f5ec2671d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.214413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012243/publication.md
observed d14607aef10be160af8a434d926afd3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.197329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012243/publication.txt
observed 1908f279976f02e5ea7202d7d56c0bf7...
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.