OpenTechnical

OT-2026-000005467

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, three stage ejector

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-2026-000005467) never changes.

Identity and time

Publication numberOT-2026-000005467 · never reused
Internal UUID01a0a939-ee65-710c-a4f4-e1b8b042ff54 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:59:01.224312Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005467
StatusPUBLIC

Content hashes

Canonical text3c55d8f73f940f75e49ec71dbab8530246c6daedf9fb944d98ff29681720e39f
Markdownfb632fe80d827d8a82d1016b7db81fe2f0e436c4807d3ab5ca9bc38f338289a6
PDF
Publication page0f59c783f82981a26ed571fe6741f6c747de382ce58c6f9a6749ddec5ad953e9
Manifest34b8688132ab529f649e9714d7a5657c8c55e0a9ec628c2e97c07bfb5632901c

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
Signature8Ne9xP39aBJKZLP4odyRAIO7GBpI+SR6RqivPuSQHZDphGTBSkpebVxatSSWpncEHH7uU9PhrkSzmEt3MHC0BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:06.177252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005467
observed 0f59c783f82981a26ed571fe6741f6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:06.164217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005467/manifest.json
observed 34b8688132ab529f649e9714d7a5657c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:06.152052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005467/publication.md
observed fb632fe80d827d8a82d1016b7db81fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:06.138500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005467/publication.txt
observed 3c55d8f73f940f75e49ec71dbab85302...
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.