OpenTechnical

OT-2026-000064612

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line 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-2026-000064612) never changes.

Identity and time

Publication numberOT-2026-000064612 · never reused
Internal UUID01a0ae8d-deb8-73f8-83a1-7bc47f0b0452 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064612
StatusPUBLIC

Content hashes

Canonical textd942ef4ffccac769e085388d0fbb3eac514a0a6e98ffde5347f036f2c5e2388b
Markdown5646ba9699c75ad409d4e36217da06198cb1fef7a16a7fe01ec74d521d823bca
PDF
Publication page349b3207060686a9522ce350772fcd273172d06654c85145e6a4543d43234bac
Manifest10bd914f39e380a339a29001bfecfddc61fd6d79d8129812bbb42c8792871fac

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
Signaturea5O0meuEfUYf2SSlKBGK51WN4AfIArz0yFG7rIt1qqaT+OeB+638U6qi3m/6KfCHAje+3t3COk6gRzF5FjXUBw==
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

2026-09-17T10:35:23.301010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064612
observed 349b3207060686a9522ce350772fcd27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:23.281783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064612/manifest.json
observed 10bd914f39e380a339a29001bfecfddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:23.263575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064612/publication.md
observed 5646ba9699c75ad409d4e36217da0619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:23.247661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064612/publication.txt
observed d942ef4ffccac769e085388d0fbb3eac...
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.