OpenTechnical

OT-2026-000097290

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000097290) never changes.

Identity and time

Publication numberOT-2026-000097290 · never reused
Internal UUID01a0aea1-01ca-75b2-a925-a31b728437e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097290
StatusPUBLIC

Content hashes

Canonical textc9b91c768d063786e942f00b81b7e7732233c68a297d289289233e2b7bf6564a
Markdown44ec25b523507b33ce9ab058ac9daae1a33083c068ecffc28b24b881e8632b07
PDF
Publication page14838359f35fb93d2f2efb0016b535f0aa5595c4efd51989302ce2c30ae76874
Manifest2bc7d191a3190a070c95819cf0f6902f8f7377ce52ceb2fc4958898e6a00c50b

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
SignatureV0a6IJYXn+5/7BdSsUY/qP6s78xY9HpAsNxvo1OUXYs1/EpeUq5dZXWrS4cBBUXiQCnIuA5XdIrniQR8lNTTDQ==
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

2026-09-17T09:33:33.317167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097290
observed 14838359f35fb93d2f2efb0016b535f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:33.301407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097290/manifest.json
observed 2bc7d191a3190a070c95819cf0f6902f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:33.284648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097290/publication.md
observed 44ec25b523507b33ce9ab058ac9daae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:33.268972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097290/publication.txt
observed c9b91c768d063786e942f00b81b7e773...
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.