OpenTechnical

OT-2026-000068547

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000068547) never changes.

Identity and time

Publication numberOT-2026-000068547 · never reused
Internal UUID01a0ae90-2482-71ea-b26d-03610e792cd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068547
StatusPUBLIC

Content hashes

Canonical textcb49345076afe71659c6d8eef3c4503dfe2a5583cd23489edb3740f94e84c9c4
Markdownf326069fcea39e84402bd879cdbab168d7b78269b28c22a4ac79c061fe61d526
PDF
Publication page4f83e5b33fcf7792e5e439811d033f8a12d12a90bfaa5562bbcd50e8826517f7
Manifest483405b93cc8847f3d1a936744fc861644d56562c7e1c362c21a2663fe6047ce

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
Signature+hgiIuoZBQ6yxZuAdHS8BH+XuBxIrJZfQEwwqmDgp157sKFKyNc4ulWM2OUsCP2IuciWAH4Zzp1Qo0IdC/o0Cw==
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

2026-09-17T10:29:42.823679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068547
observed 4f83e5b33fcf7792e5e439811d033f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.805829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068547/manifest.json
observed 483405b93cc8847f3d1a936744fc8616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.787979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068547/publication.md
observed f326069fcea39e84402bd879cdbab168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.771092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068547/publication.txt
observed cb49345076afe71659c6d8eef3c4503d...
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.