OpenTechnical

OT-2026-000008601

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, vented 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-2026-000008601) never changes.

Identity and time

Publication numberOT-2026-000008601 · never reused
Internal UUID01a0ae6a-e46b-73eb-80fa-5b2e5d2502c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008601
StatusPUBLIC

Content hashes

Canonical textf158116506ced655eaa88bc91e4bbe038b9ffee9d86e5aab7509c6c09b24c48b
Markdownd1b7bcaf79f883e8764f3e5a00c0a6ca25a5737cbeea43a99781b7bcce2a859b
PDF
Publication page6dff37123e777fd357ed3875c36dfd0644fadb635db826428ef07a65013e0ad0
Manifesta99a3b8aec0aaf445c4ef3a5a35fcf94b238dac97784e499c5b9c69d752ad0d2

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
SignatureNSKFNwf9cnqsDPIz3qDnAC7xtcA5DHTqVlHbHtRsHVe0NM6Rw4N6pgMlZKNKz9znW47SZNLH6TmFYH+ZKPzZBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:32.871691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008601
observed 6dff37123e777fd357ed3875c36dfd06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:32.850168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008601/manifest.json
observed a99a3b8aec0aaf445c4ef3a5a35fcf94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:32.826262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008601/publication.md
observed d1b7bcaf79f883e8764f3e5a00c0a6ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:32.803236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008601/publication.txt
observed f158116506ced655eaa88bc91e4bbe03...
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.