OpenTechnical

OT-2026-000006268

Publication integrity record

Vacuum cup gripper, common isolation valve, three outlet manifold, pump fed, silicone cups, flat form

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-2026-000006268) never changes.

Identity and time

Publication numberOT-2026-000006268 · never reused
Internal UUID01a0a954-fe17-7db1-8e36-d10847c211e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:28:34.714134Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006268
StatusPUBLIC

Content hashes

Canonical text52f3a78ff9e7e0bc828265ff73137b0c367b2842176279449eba109ab38f9d78
Markdownf23c65a9b899b50eb158a4edcc98228880e604385a973a288008558acc447e55
PDF
Publication page9aed4895038563930dbdd7b6c14ba30cb0a1acac9431618f04c6026f5044f177
Manifest6dea4f5e2bf18d17e5c91709da95bce811e130fcba9ccf315f174a45ccd5f0e5

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
SignaturewEgN3zKM/iF3Yr2Ki5FNiaei2d03Rw97naeo7tNOqVfL6ays3KtY6YFRxZbaAR3blQAn4w+Apsi05XZjm2RSBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:07.710765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006268
observed 9aed4895038563930dbdd7b6c14ba30c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:07.695994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006268/manifest.json
observed 6dea4f5e2bf18d17e5c91709da95bce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:07.681392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006268/publication.md
observed f23c65a9b899b50eb158a4edcc982288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:07.668323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006268/publication.txt
observed 52f3a78ff9e7e0bc828265ff73137b0c...
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.