OpenTechnical

OT-2026-000080245

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, sustained 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-2026-000080245) never changes.

Identity and time

Publication numberOT-2026-000080245 · never reused
Internal UUID01a0ae96-7e77-783a-bacf-4f4e43f690fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080245
StatusPUBLIC

Content hashes

Canonical textd41f0668dcaf3f8a0803dd08f2488b8be94a8d7d277a4c6b9597faac2056d2f6
Markdown95a1ca6e721673858f2f2f7023c8fcd04c7c45641cbaa736d16fd4a236a59e68
PDF
Publication pagea5535ccb94eb108938e3d5f81642980583e979eec5ac8d1463ec28c8d01dc8be
Manifestb2985ec66e54601d6422640cb91da55d5bfb396ab464c76a4bac06d50d031c8f

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
SignatureJl7lCg2+8BrzlmpvhEJJldlD+jreUGtzAkuG1BtD4ii9pG88KwKGwhe/vBboWDN+eP691sRk70qLf5zw8RsSDw==
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

2026-09-17T10:02:42.290690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080245
observed a5535ccb94eb108938e3d5f816429805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.272632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080245/manifest.json
observed b2985ec66e54601d6422640cb91da55d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.255062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080245/publication.md
observed 95a1ca6e721673858f2f2f7023c8fcd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.236709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080245/publication.txt
observed d41f0668dcaf3f8a0803dd08f2488b8b...
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.