OpenTechnical

OT-2026-000022435

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000022435) never changes.

Identity and time

Publication numberOT-2026-000022435 · never reused
Internal UUID01a0ae6f-f4fd-750b-81ab-44797a56e051 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022435
StatusPUBLIC

Content hashes

Canonical textad0aa2a80d689d727d8ad1fd41852ae8214e7979bd1bc3672af21e630d94f306
Markdown0b358e168be656dc37b37fea58855fe73a52378c68387eee50b4201c502dce86
PDF
Publication pagea1131c8c612a547990e039b63baf0148ae2c53a99152ad459177fe1613ce3437
Manifest94cedf82897c480864a59903671fd799d3ec5be82f5f5c0a02187a01649f23ae

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
SignatureXLBO4UPJt71iax6uDfr6dkmLR3t7rXXSScjJU34ZQHJlB08djpa3PQyhIJ0zdprK4h982juRUfFs5eBG04CoBQ==
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

2026-09-17T11:53:49.635665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022435
observed a1131c8c612a547990e039b63baf0148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.616666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022435/manifest.json
observed 94cedf82897c480864a59903671fd799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.599909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022435/publication.md
observed 0b358e168be656dc37b37fea58855fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.582634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022435/publication.txt
observed ad0aa2a80d689d727d8ad1fd41852ae8...
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.