OpenTechnical

OT-2026-000032057

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000032057) never changes.

Identity and time

Publication numberOT-2026-000032057 · never reused
Internal UUID01a0ae74-bad3-7699-a513-eacd51d6aa6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032057
StatusPUBLIC

Content hashes

Canonical textac65fe7ca295b7eff69a31122ada6fe16c360a09e8784574fc96093a627cb80e
Markdown84d51bdc6b1dac35eecc971bc4a2588ecc8ebe9f78e0ed6b14dd68dec1d573f1
PDF
Publication pagefd6360d012b2b19a675295f161017a91ffbb337336aa0d649ec8697e67c29e5e
Manifest099842236aaae09c6a8fb63a8fa9aa8faadfca07db3ceec9175a6f86cc3684bf

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
SignaturebnxOq6jb/MU/RzSJFLhcc645MJfwnTDb4IY87qc4mrTwKOZGCpieGhpzUNoKMsRsqLv5Usol84owv/3HxiR9Cg==
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

2026-09-17T11:35:28.445638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032057
observed fd6360d012b2b19a675295f161017a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.428110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032057/manifest.json
observed 099842236aaae09c6a8fb63a8fa9aa8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.410785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032057/publication.md
observed 84d51bdc6b1dac35eecc971bc4a2588e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.393472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032057/publication.txt
observed ac65fe7ca295b7eff69a31122ada6fe1...
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.