OpenTechnical

OT-2026-000086527

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-2026-000086527) never changes.

Identity and time

Publication numberOT-2026-000086527 · never reused
Internal UUID01a0ae9a-2c98-74c9-885f-b01f1c2db8d8 · 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-2026-000086527
StatusPUBLIC

Content hashes

Canonical textef5eb35964f339a11cea72e4d5e5e249d86ce066198b89ab0eefb4ea4c8f6d01
Markdown603d6a585ec04cacc6f8c118644658606315c5205aa8e6a621b32524e350ae00
PDF
Publication page9f5a3133eaa2ac8bef22e5b9520315d9332572fe4d85932a6c795ec97fa56bec
Manifeste79ef90b0ec4c56c526ddeb1adf5f4e6d01f881ef6873f796e415ee5bed11fd7

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
SignatureVC4tBS1L1Q5YXJKUz8anBZiJUmLZeQT8383cUGRLug4SF5S4VDWpIboPPCV9/51qf6Do2vr7mbB9cHu1TLW/BQ==
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

2026-09-17T09:52:20.997414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086527
observed 9f5a3133eaa2ac8bef22e5b9520315d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.980036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086527/manifest.json
observed e79ef90b0ec4c56c526ddeb1adf5f4e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.961812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086527/publication.md
observed 603d6a585ec04cacc6f8c11864465860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.943735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086527/publication.txt
observed ef5eb35964f339a11cea72e4d5e5e249...
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.