OpenTechnical

OT-2026-000071826

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000071826) never changes.

Identity and time

Publication numberOT-2026-000071826 · never reused
Internal UUID01a0ae92-1e92-7969-ae40-7cd31f994be4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071826
StatusPUBLIC

Content hashes

Canonical text2f159db1383435df5e4264b328fce1a9c61777f820b9caff3247c8c8103a817c
Markdown61d42af9a999e1dc3138cd50b6252435d1fffe890e29f0a962847c19c63cabd3
PDF
Publication pagef1b144b85e660f6876ce2388073e4ca1f0937737ede340175205bee114c1e0de
Manifest2fd7c4caef1c40ed8e174a8ccdc086ebf29d4c79bdeeddaa8a2ab01b787faf99

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
Signature9HbrWfITSUZ1kGcPWdG1oVK3csf9XdWgUmNChLKA3WsIBBxj5buuqqVS+IKodsxk4hVm4Po+7z/xFRyMEqSuBw==
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

2026-09-17T10:24:00.066802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071826
observed f1b144b85e660f6876ce2388073e4ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.049892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071826/manifest.json
observed 2fd7c4caef1c40ed8e174a8ccdc086eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.030693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071826/publication.md
observed 61d42af9a999e1dc3138cd50b6252435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.012207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071826/publication.txt
observed 2f159db1383435df5e4264b328fce1a9...
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.