OpenTechnical

OT-2026-000066587

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000066587) never changes.

Identity and time

Publication numberOT-2026-000066587 · never reused
Internal UUID01a0ae8e-ce41-754a-b0c6-9bf934f7bd22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066587
StatusPUBLIC

Content hashes

Canonical textc57daa058daf4b5e765dc872ef56f45ed8d49a2f5d584dd4334ce6224e626786
Markdownfaf93b7f76bb5a3e7337a7764014453ce48d03f74646c6d680cef60181026ebb
PDF
Publication page84fb0bb89602f45694400d48ffdfbb17d8da4b976d3962aec6934154f56cb1df
Manifest9f51e2547c4c1ea9c38c8fd438e66543602b861ff3f2d9d44b31791d4ccec2af

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
SignatureIuw0xmZYHneFTd5IxGBie8E7jyTD38rlNzHvIpSSlyl2LN9wNrEhHwVYApw5105AcOmGLYF0WB1JlkPydTWdCg==
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

2026-09-17T10:32:51.777292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066587
observed 84fb0bb89602f45694400d48ffdfbb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:51.761566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066587/manifest.json
observed 9f51e2547c4c1ea9c38c8fd438e66543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:51.745401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066587/publication.md
observed faf93b7f76bb5a3e7337a7764014453c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:51.728436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066587/publication.txt
observed c57daa058daf4b5e765dc872ef56f45e...
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.