OpenTechnical

OT-2026-000031527

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pulsed blow-off before set-down

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-2026-000031527) never changes.

Identity and time

Publication numberOT-2026-000031527 · never reused
Internal UUID01a0ae74-87ae-7a68-865b-9d1f468760e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031527
StatusPUBLIC

Content hashes

Canonical text2796ca689f66b314c1c35ad3863dd9f1f15c26628bc30037b9dfbc31b51a6f37
Markdown45265af9a094d815dae0012794c8394d65f90b3c1cb558dc15293e1a47541fa1
PDF
Publication pageee154c8e68acae39e86f6159a80a3ce6f29226ee6f600909c3d15f5ac625950d
Manifeste4b76242be7689bce7e3a200757342b9e231a1e2cb0c07c6d73b7012c887c427

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
Signaturei0KHLJu4N1QKi3SOqmPF8Bw4BxMZbqJRDABisE9eL3P8DKZB/3XB2Th6D9ERZqo5BSmhb76Di5JW2ujUdX2mAg==
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

2026-09-17T11:36:21.917349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031527
observed ee154c8e68acae39e86f6159a80a3ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:21.898642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031527/manifest.json
observed e4b76242be7689bce7e3a200757342b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:21.878858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031527/publication.md
observed 45265af9a094d815dae0012794c8394d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:21.859200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031527/publication.txt
observed 2796ca689f66b314c1c35ad3863dd9f1...
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.