OpenTechnical

OT-2026-000092948

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000092948) never changes.

Identity and time

Publication numberOT-2026-000092948 · never reused
Internal UUID01a0ae9e-090f-7cf3-aa37-0029c45bdf87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092948
StatusPUBLIC

Content hashes

Canonical texte55d16c2577d3d6e20084e61df9e9fe20ada35ba22fceb5b5e8ddceea4af213e
Markdowne1c886eca4fa706bd6401304584b9707c1c10cc0b60f4a9ff0c5a7bf84813ef7
PDF
Publication page8b2abaedb02e433e38e2fceb31eb28f8f977bc8a41b5fc173c8dc6670c960125
Manifest95af7ce22cfa1f667a633f63a25285450131558841578c99c60a58e0de8cce47

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
Signature1CEgiepMKYA/vtE95ih8RvS9NVPSqqyh0jS/sh/L5nR+Phg7lVnoMAy96G1cKiYn+SeCqFimUNfuBuGbH/sgBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:04.177313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092948
observed 8b2abaedb02e433e38e2fceb31eb28f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.160041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092948/manifest.json
observed 95af7ce22cfa1f667a633f63a2528545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.139758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092948/publication.md
observed e1c886eca4fa706bd6401304584b9707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.121892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092948/publication.txt
observed e55d16c2577d3d6e20084e61df9e9fe2...
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.