OpenTechnical

OT-2026-000008510

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000008510) never changes.

Identity and time

Publication numberOT-2026-000008510 · never reused
Internal UUID01a0ae6a-e46a-7aec-9f87-d57a7696a6ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008510
StatusPUBLIC

Content hashes

Canonical text6038cc866da5ee0dd473103c9af3d53a65d0c9bc10ec117647a413fba3e62ff7
Markdown66d5b0afa7c37af65e0991e084a93460cb116fcefb8defa2d9e967626b6368f8
PDF
Publication pagee09193a77b3b71ed92aa4ad9dc9db0c4842dab4c6f882e41c7059f9761993358
Manifest9cdb5b88b72fb7600272b656b50b0e20ccb5853384576eff2a36e22e3dbcb014

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
SignatureIpUDIg3Cndk4CMpK8b4dtHxncHpDMm/rosXkw9JqrJF6ku30kYko80cfkHtifCqzuh9jeMDUwfUJz1719tHaBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:25.250317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008510
observed e09193a77b3b71ed92aa4ad9dc9db0c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.231304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008510/manifest.json
observed 9cdb5b88b72fb7600272b656b50b0e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.211837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008510/publication.md
observed 66d5b0afa7c37af65e0991e084a93460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.193013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008510/publication.txt
observed 6038cc866da5ee0dd473103c9af3d53a...
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.