OpenTechnical

OT-2026-000086533

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, sustained 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-2026-000086533) never changes.

Identity and time

Publication numberOT-2026-000086533 · never reused
Internal UUID01a0ae9a-2c98-7639-8cb3-aaec8e17b21c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086533
StatusPUBLIC

Content hashes

Canonical text61f5b2c1ced10d35599c6944a4163f54dcb142b8c0ee8da682a8f274e6bbcd3a
Markdown761d753286c63dcf727673393cae4e2470c6f997880716cbb197936c62692694
PDF
Publication page5da2430eeca476e252942b9d00d2b4b653dc6d48514897785276d1dcee9b0f58
Manifest2afb00cfb53e5668348553aee2649ef4febdfade90ad88ce71951faa5fdda2db

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
SignaturevDP+ZDQY5/aB5cDBue/05a4eRdrN23303WegyLELIBQ6UfZnk1bxvip4X6V0LA7/YgRcad6tjXMD8IBQb9leBQ==
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

2026-09-17T09:52:21.576276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086533
observed 5da2430eeca476e252942b9d00d2b4b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.559195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086533/manifest.json
observed 2afb00cfb53e5668348553aee2649ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.541463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086533/publication.md
observed 761d753286c63dcf727673393cae4e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.524344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086533/publication.txt
observed 61f5b2c1ced10d35599c6944a4163f54...
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.