OpenTechnical

OT-2026-000073206

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000073206) never changes.

Identity and time

Publication numberOT-2026-000073206 · never reused
Internal UUID01a0ae92-efb6-718e-93a3-c6cf1ac30dad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073206
StatusPUBLIC

Content hashes

Canonical text00fda08a4f9d7eff3b283ae9cb8ebea59df2798176973f8819d8f8536b64445c
Markdown0b610a4b8eee04c94b854f12929a1d4458191db204c71df6d58d417acbc2c80f
PDF
Publication pageb810c005269528dd6290069c30807af0b3929fde5a17b68e2559bd6911a53e3e
Manifest14b8f3b117db775844cca722d6576de9f6d69481934573ae2be61394e84dae19

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
Signaturejt0hVQJqmvusuJxz1ZEVQ5rlUC43ZHGRnr7s3E6v2CiJDKBYoxp+93UUhUF8NxdwTrLcuK0o7wLXMCzLpAhEBg==
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

2026-09-17T10:21:10.370278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073206
observed b810c005269528dd6290069c30807af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.349539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073206/manifest.json
observed 14b8f3b117db775844cca722d6576de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.330828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073206/publication.md
observed 0b610a4b8eee04c94b854f12929a1d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.311164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073206/publication.txt
observed 00fda08a4f9d7eff3b283ae9cb8ebea5...
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.