OpenTechnical

OT-2026-000097571

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000097571) never changes.

Identity and time

Publication numberOT-2026-000097571 · never reused
Internal UUID01a0aea1-92f1-7055-96e3-37150ba2b0d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097571
StatusPUBLIC

Content hashes

Canonical text81bc720de55301d04e6de73b444d5f3f5c8f043c46fa677284525cbf7c1595ed
Markdownf5667ae85a6f0aa1cc35c3c2340e91cb772787eba6be4891f0cf05f4d793dac4
PDF
Publication pageaa6e2c3302b100afc42d24cee0530b0dc81e80ec24dee4e59b98c89f5d542bf5
Manifest0715071be87c991abff92a55e474738854bafb128bd5becf892ea40fd6c4d31a

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
SignatureDzu+KMuul8w2WIPpl4y1AGTh6D6IqR9ai6jRwpmuMFg5nQyJnsOA4Iy8LAtXxEpTtpDag1JqW7HmP745zoFxBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:29.001037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097571
observed aa6e2c3302b100afc42d24cee0530b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:28.983103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097571/manifest.json
observed 0715071be87c991abff92a55e4747388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:28.965829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097571/publication.md
observed f5667ae85a6f0aa1cc35c3c2340e91cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:28.947545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097571/publication.txt
observed 81bc720de55301d04e6de73b444d5f3f...
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.