OpenTechnical

OT-2026-000050410

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000050410) never changes.

Identity and time

Publication numberOT-2026-000050410 · never reused
Internal UUID01a0ae82-5c48-72bb-8f41-7da6832d1f1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050410
StatusPUBLIC

Content hashes

Canonical text2c6e27db63534be78ce5095d5125ae8de1d657af7cb4144710148d8acc243ab7
Markdownf56614aa6bcdd6d405669c6b5e9867caef65c509867536d84c8a582a1e0831ba
PDF
Publication page804d54bbadf93c3f599779dd706a7242bf0dad873c3122fc2681db12d799ecd4
Manifest9adfaf58480a0e9278ff6c112809cd6c8160b11c737043f34979ab2244983ad7

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
SignatureIXnCpSnjaF+cnbbxjTWai40VOpjzdY6a17Js2vWAt+RXd3ltfTor6OAIYreFN9PdMjJ0yI6pWxGV2JHLaYbvAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:27.189498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050410
observed 804d54bbadf93c3f599779dd706a7242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.172639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050410/manifest.json
observed 9adfaf58480a0e9278ff6c112809cd6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.157355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050410/publication.md
observed f56614aa6bcdd6d405669c6b5e9867ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.141082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050410/publication.txt
observed 2c6e27db63534be78ce5095d5125ae8d...
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.