OpenTechnical

OT-2026-000071699

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000071699) never changes.

Identity and time

Publication numberOT-2026-000071699 · never reused
Internal UUID01a0ae92-1e91-738c-871c-45cab6d6c018 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071699
StatusPUBLIC

Content hashes

Canonical text3aa40a650d345d6f474d7bb322ceddc7e00b51b6959d21d4c11e43e652fc00cc
Markdownd694427c9bbbddf05ffd3057af1b8c7b5bb58204a92ae524c4b2b0aac92d9ee0
PDF
Publication page0b8422e011dc97bb97c63ea7726536fd5f1b2acdb933d8b6dcabae7a3bb56fb4
Manifest18f7ce609e9656054f9b0a7de5f1d43a7e308327b26ad5aac7503da5f12dcb74

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
SignatureRxNZc15nupBQbrx6vrAZfgB1pGnidK/0tGGvKa/0dpa9oN0KawuZUXZ7Pld+318TgrXudPCLLlUsYB2vIcreCA==
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

2026-09-17T10:23:45.736019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071699
observed 0b8422e011dc97bb97c63ea7726536fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:45.710535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071699/manifest.json
observed 18f7ce609e9656054f9b0a7de5f1d43a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:45.685815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071699/publication.md
observed d694427c9bbbddf05ffd3057af1b8c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:45.661354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071699/publication.txt
observed 3aa40a650d345d6f474d7bb322ceddc7...
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.