OpenTechnical

OT-2026-000086423

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000086423) never changes.

Identity and time

Publication numberOT-2026-000086423 · never reused
Internal UUID01a0ae9a-2c97-75b6-abd4-3383748798f7 · 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-2026-000086423
StatusPUBLIC

Content hashes

Canonical textd5767af41e2225e2bcd9838cd0adad96ed9b83a923e0f97441b2d182e9c09f0d
Markdown65e62f92c09bd1ebb6ccc3766955b1edaaeba515d098a3b7347bcc3ca1c819e0
PDF
Publication pagef75a01f7cc730285465333efbbbc2a8981ae2a8155f1b395e71e0cb7d5645386
Manifestc178059c84dd89a9b810359eab9a781bb8fdc6f6fc40fcdcebdf6a27035668ef

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
SignatureWzoV4bchN5b0kZvrjRvPRRLH+4Zr7K096gOfIIR8nPVqrOmTfYZscujN319ZgvwTWVXYGCjKODEOsXQqeLe6CA==
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

2026-09-17T09:52:13.040187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086423
observed f75a01f7cc730285465333efbbbc2a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.019649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086423/manifest.json
observed c178059c84dd89a9b810359eab9a781b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.998928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086423/publication.md
observed 65e62f92c09bd1ebb6ccc3766955b1ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.981549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086423/publication.txt
observed d5767af41e2225e2bcd9838cd0adad96...
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.