OpenTechnical

OT-2026-000005604

Publication integrity record

Vacuum cup gripper, common isolation valve, six outlet manifold, pump fed, pressure verified, contact triggered

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-2026-000005604) never changes.

Identity and time

Publication numberOT-2026-000005604 · never reused
Internal UUID01a0a93e-bcc4-7ad7-bb62-790626ac12ea · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:04:16.199524Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005604
StatusPUBLIC

Content hashes

Canonical textd80eecaf76bd3690f35bff4798052dd6156eada220e95ccaf2c36007f61171c9
Markdowndda6adaccd6181ac110d26c0fa9f79b2222f71f5d7e6c199ab2a2b9bca0e6bca
PDF
Publication page1612ad7bccf5336949962ea63b7791f2d3beb54c754d80eacee689b02a058402
Manifest664dabbddd40c8f41183d3cef9e94c125d369ad5ecfa8d5b47bcc2b7d53d4a3a

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
Signaturef/2KpTYDn91iFNqMlanLCMJtZ/feZrqdC91lduahtw0uLPnyoVhVJp12Mc6a5IUpIP+o+gpi9l0c6UvApRYwBQ==
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

2026-09-16T08:10:21.687947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005604
observed 1612ad7bccf5336949962ea63b7791f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:21.675352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005604/manifest.json
observed 664dabbddd40c8f41183d3cef9e94c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:21.662001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005604/publication.md
observed dda6adaccd6181ac110d26c0fa9f79b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:21.648093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005604/publication.txt
observed d80eecaf76bd3690f35bff4798052dd6...
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.