OpenTechnical

OT-2026-000092420

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000092420) never changes.

Identity and time

Publication numberOT-2026-000092420 · never reused
Internal UUID01a0ae9d-b5fc-7cc1-9e57-b2c3fe3bc58e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092420
StatusPUBLIC

Content hashes

Canonical text815f17ab603efed653fdc0c9581c95d2c72fe35c7b25019e06fa90042261d319
Markdownbef784860f9bbcf3860beff5512fcad107575a078d39d803cc10cdd2f69982b8
PDF
Publication page08805b9dd6dd6f263fc78deb888bc5c731ae7cbc243cdcc8b16a8e36debddf08
Manifeste2f99e3bf67356f53d84e76af3bb07d7378b061b338f8c4ef9918cb2e23b9159

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
SignatureaCh1HsbHhkxyku4YdDd1WWbUmKDUaqzRteCNJivQSziGhJ99h+LutLFOmvmCmd41WqICZ9hOerc6aFufoIwJBw==
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

2026-09-17T09:40:58.365568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092420
observed 08805b9dd6dd6f263fc78deb888bc5c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.347720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092420/manifest.json
observed e2f99e3bf67356f53d84e76af3bb07d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.331826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092420/publication.md
observed bef784860f9bbcf3860beff5512fcad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.314706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092420/publication.txt
observed 815f17ab603efed653fdc0c9581c95d2...
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.