OpenTechnical

OT-2026-000023185

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000023185) never changes.

Identity and time

Publication numberOT-2026-000023185 · never reused
Internal UUID01a0ae70-7267-737f-bdf1-1e37442c61b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023185
StatusPUBLIC

Content hashes

Canonical text2bf63798959c47a8c8736cdbb40d105aff21fbeb229425b95db242028acbab51
Markdown742714bab697eb8d5561f04b632b400bb6b9f138322755b85a1dc6d60bfa2580
PDF
Publication page73e9ded9f1b94d920f17aa76709f152005d884b9d789676c31b82c7037856fc9
Manifestc70a863a4a93c3cc6d82d6aadbc0369f90a3fff31d15b0c94dd7f80a200d6bd0

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
Signature08Gea/TMNFiLW5ePb+AALSU3PbtQSYD8BxqnaxXj4wlwEG3oRez/GpxcYsEsy5oCwmXjD2RMysU8r8KDaq/oDw==
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

2026-09-17T11:51:07.986981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023185
observed 73e9ded9f1b94d920f17aa76709f1520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.971113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023185/manifest.json
observed c70a863a4a93c3cc6d82d6aadbc0369f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.954053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023185/publication.md
observed 742714bab697eb8d5561f04b632b400b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.937616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023185/publication.txt
observed 2bf63798959c47a8c8736cdbb40d105a...
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.