OpenTechnical

OT-2026-000086338

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000086338) never changes.

Identity and time

Publication numberOT-2026-000086338 · never reused
Internal UUID01a0ae9a-2c96-7a8e-a87d-c70c0b392138 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086338
StatusPUBLIC

Content hashes

Canonical textdadae617701f90d90ea81f4b4c59756b20e5286e81a5ace5afdc7f9eb1855dcc
Markdown3ebb0a72299fb6f643f39ff789745bd268e243edf993af893e65ef75f1a1c11e
PDF
Publication page0ea70692cd1b999d461a54dc27675c6fdcdc2f75c1a9e63844e6d5d5b1c5e0b7
Manifest4558f59c099ba1cf574d3f1bcf80cba656602a6167b4a0dc93f60bc58885b9fe

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
SignatureDlK/ZViMntza4ZHlyAPpLjbU0y7LYyJGciEjCSe971RKUuqgYqbrATfUWXMBkyD6Hp0ZUENLg571yQoqOUX0Bw==
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

2026-09-17T09:52:01.788096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086338
observed 0ea70692cd1b999d461a54dc27675c6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.769442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086338/manifest.json
observed 4558f59c099ba1cf574d3f1bcf80cba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.751164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086338/publication.md
observed 3ebb0a72299fb6f643f39ff789745bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.732919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086338/publication.txt
observed dadae617701f90d90ea81f4b4c59756b...
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.