OpenTechnical

OT-2026-000084018

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000084018) never changes.

Identity and time

Publication numberOT-2026-000084018 · never reused
Internal UUID01a0ae98-5b5d-7975-bf40-0f6047604a38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084018
StatusPUBLIC

Content hashes

Canonical textaaecaa4fc320162fe9444e5555e9fbb5854a166ef831c4511094105cc6489e2a
Markdowne64bec0a83ac4b9fc35889883cd1f7584e3f5e3800378190410a97220da609d7
PDF
Publication page4cf13c76c5012bb60c152ce1f12ff28df0ce05ccb7b37fde8b40cc7d5bc403d1
Manifestd6e76c9af4326d25c2b51a6ee7f6099c7b38abff96ebcbf1d32797edcf2b9d6b

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
SignatureqYZfuvbm7iQfbz8V7K2Fqizikup78njY05ic7BbIcGliaOlYnSLcKfU1TIlKTy/+mhLFMFawWHdKUDLLGyZBDg==
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

2026-09-17T09:55:44.318775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084018
observed 4cf13c76c5012bb60c152ce1f12ff28d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.295301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084018/manifest.json
observed d6e76c9af4326d25c2b51a6ee7f6099c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.278161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084018/publication.md
observed e64bec0a83ac4b9fc35889883cd1f758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.261254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084018/publication.txt
observed aaecaa4fc320162fe9444e5555e9fbb5...
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.