OpenTechnical

OT-2026-000101533

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000101533) never changes.

Identity and time

Publication numberOT-2026-000101533 · never reused
Internal UUID01a0aea4-0e15-71fb-9ca6-00406b77218d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101533
StatusPUBLIC

Content hashes

Canonical textadd673700b80cc4d21f6ced8a1d37a8e1ef3448cc9389239fa8d975d53521e7c
Markdown046c7d80512bf0a1a6d40681b394d376cc81c84259003f983ea22a7dcdef9e65
PDF
Publication pagee609d02c9022ec079a75fb29529f1f4e9bb731c180d333bcd118211741c5f6cf
Manifest2518a38a1e4e313027ad8abe1c4b8f3c730ccf284374f81190f749d0e1ca6e07

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
SignatureAM+fPpGS2u22LMx3UsL5mGd5Ekzk3dpCkAPbbYU+L3Q/l4PZx3QzvsH+2u8clcu0AfC6/rYkQP+zEhWQzO4/Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:34.336264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101533
observed e609d02c9022ec079a75fb29529f1f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:34.317506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101533/manifest.json
observed 2518a38a1e4e313027ad8abe1c4b8f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:34.299101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101533/publication.md
observed 046c7d80512bf0a1a6d40681b394d376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:34.281905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101533/publication.txt
observed add673700b80cc4d21f6ced8a1d37a8e...
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.