OpenTechnical

OT-2026-000088296

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000088296) never changes.

Identity and time

Publication numberOT-2026-000088296 · never reused
Internal UUID01a0ae9b-5d26-7686-aed8-42dd29c6ccb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088296
StatusPUBLIC

Content hashes

Canonical text465be7da3043f1f868a794f1acdfc63c447dc6069a46cee88dd54a2105218c04
Markdownbfe28ae9078b1fab4e64397b40238b16fe4fd215a553d1fbcf1d9816e835fefb
PDF
Publication page5cfa2c99d037e6899639da3e4ed9d480dc7378198890d7493b22f42071f00f5a
Manifestce409b59ac930c25dde2a32c52a2b444ce169c5ff157f951bcbab03c13616035

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
SignatureJ5heSBchmQ9+8jYBbM1144A0/4Mu9qEOtXJIjIZxCShpAAZ60zYKX2+Jf8ri582VoNE+VWMHA990N/Wd1QY4CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:37.654045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088296
observed 5cfa2c99d037e6899639da3e4ed9d480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.636689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088296/manifest.json
observed ce409b59ac930c25dde2a32c52a2b444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.618078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088296/publication.md
observed bfe28ae9078b1fab4e64397b40238b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.600658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088296/publication.txt
observed 465be7da3043f1f868a794f1acdfc63c...
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.