OpenTechnical

OT-2026-000071346

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000071346) never changes.

Identity and time

Publication numberOT-2026-000071346 · never reused
Internal UUID01a0ae91-e0ec-7184-9fc7-5d2b52d89c90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071346
StatusPUBLIC

Content hashes

Canonical text1aad20ea3f838b5d3c269f5e7e5e3feb53865ec51b8cb1e054c9c685cbdd3515
Markdown05e2ec743a23d9077e51939151aa14f8b28694ae1f88b1e3f1b7fa3ad02f734c
PDF
Publication pagebf0e99f29c1e111cacf76bc1459b0ae584d8e0aaf5612e1ac75c41fdfa2f9bd7
Manifest64ad7466f24b8b5c76b2e11e932a19e2f2d3d1468c7592b8e5796e6c3e4c9779

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
SignaturefqKSj66cCefk9svsHTG8wr/yUcdDUl9GoEQHUn3RA5SrodpHbrG6YcYloONcnxVY8MPZXdIG9CLYCihGNyMGBw==
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

2026-09-17T10:24:57.018222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071346
observed bf0e99f29c1e111cacf76bc1459b0ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.000501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071346/manifest.json
observed 64ad7466f24b8b5c76b2e11e932a19e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.983619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071346/publication.md
observed 05e2ec743a23d9077e51939151aa14f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.965818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071346/publication.txt
observed 1aad20ea3f838b5d3c269f5e7e5e3feb...
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.