OpenTechnical

OT-2026-000067072

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000067072) never changes.

Identity and time

Publication numberOT-2026-000067072 · never reused
Internal UUID01a0ae8f-14fe-7d29-a2d2-2c8e7306eab3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067072
StatusPUBLIC

Content hashes

Canonical text46bdd3f074f63d1f9a8c8698af0d8f477f14d76e050ffd2c3f5328d94b4d237b
Markdown60d233ffdebc73363c2e7953a9ea9a229fd4f33f7d97eda89286be837a544e54
PDF
Publication page374594732dd0f5fc64f7bc3057276cae2af955880ae65c10bc548f0a00ee23fb
Manifest107ffc14e64ed331239f00947233ab7a834768e20996a64dca541dbb85195037

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
SignatureFWV+wEr1lIr6aV3B/SvdmxYOByYIztu364HZyQoak/gUK0/miB34VifVLwRbig/nf6AkfONxE2QBcRl3l7ZhBA==
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

2026-09-17T10:32:19.986295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067072
observed 374594732dd0f5fc64f7bc3057276cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.966632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067072/manifest.json
observed 107ffc14e64ed331239f00947233ab7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.946174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067072/publication.md
observed 60d233ffdebc73363c2e7953a9ea9a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.929260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067072/publication.txt
observed 46bdd3f074f63d1f9a8c8698af0d8f47...
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.