OpenTechnical

OT-2026-000092915

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000092915) never changes.

Identity and time

Publication numberOT-2026-000092915 · never reused
Internal UUID01a0ae9e-090e-754e-a52a-b3015dc48611 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092915
StatusPUBLIC

Content hashes

Canonical textcbca87094c8f5566066798c18c285f3edafcef22b12717317bcc7ab9a9927c01
Markdown480d41d3eac851b815536ad6f4503361cbfc0140939d09115f8cbefa9cdd62bd
PDF
Publication pagee5951a7ce90859b2888fe3be7d281f0aba41f8019f7f680f765776fa03edf28e
Manifest4f0a8760462f003a0725f4d7482707c00705b9eeb1a6473219d95c977cfa74f9

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
SignatureDogCQQNR9YfW9s9Y/wLJANVxQCWWMZf1GXngPRIEDdxdX1eAGHWgyW8Fvnw+jASpe0KLkVNWBLyEHx8OEBX7BQ==
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

2026-09-17T09:40:01.906963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092915
observed e5951a7ce90859b2888fe3be7d281f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.888777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092915/manifest.json
observed 4f0a8760462f003a0725f4d7482707c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.869284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092915/publication.md
observed 480d41d3eac851b815536ad6f4503361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.851323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092915/publication.txt
observed cbca87094c8f5566066798c18c285f3e...
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.