OpenTechnical

OT-2026-000010939

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented after 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-2026-000010939) never changes.

Identity and time

Publication numberOT-2026-000010939 · never reused
Internal UUID01a0ae6c-540d-717d-8d0d-8f5650307e4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010939
StatusPUBLIC

Content hashes

Canonical textfd6c744a8b3885a7dbbc58889169ebd51b396cd48353a5ddec457b09784d0647
Markdown0fd3697e327baf1b84563a142b779f87e32337634ccc128721113cced913f125
PDF
Publication page4a6fc4c848678ea250b8ba1e2269d7ccc9ba3b3305e1fcfa4f48a1740060c0c3
Manifest8a2c6a52ec1a3c00bfff0ab6af0771c989c97b506bee133886b662c8c570c4bf

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
SignatureKtN8feiF34WLrwucsV3pACWlohnqJyC8y76zsokLpJa4CtV3qv6324R14L+6MqgNDaIWMde9I6V5l6Il5euOCA==
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

2026-09-17T12:13:43.630337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010939
observed 4a6fc4c848678ea250b8ba1e2269d7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:43.612379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010939/manifest.json
observed 8a2c6a52ec1a3c00bfff0ab6af0771c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:43.592892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010939/publication.md
observed 0fd3697e327baf1b84563a142b779f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:43.574794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010939/publication.txt
observed fd6c744a8b3885a7dbbc58889169ebd5...
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.