OpenTechnical

OT-2026-000013934

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000013934) never changes.

Identity and time

Publication numberOT-2026-000013934 · never reused
Internal UUID01a0ae6d-8dea-7726-8e66-23622ac7fce6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013934
StatusPUBLIC

Content hashes

Canonical text9328ac28484e50836d96e6852437ff96b875e54aa2bf321b7dc66a8d5dedf092
Markdownf67f128bcd1058cc3171b205426a0c4f5e3428601630bf32f4e0f078d9f9850d
PDF
Publication pageac3004f58b58994b5ac1cbd3e7118987b1c43056163f3c959727bafb0fc54eb0
Manifeste6865f579b5fb1e4e53bbbfecef246960818cdcab944077f0bc369dad135949c

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
SignatureO/XdUOrXYMGucbKZmAo1J2MN9Uh9qrY2+cit9jD/u5+B93zJEsd807drs3/unxgEDE1q1m7fomEV41RV+S3vCg==
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

2026-09-17T12:09:04.341077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013934
observed ac3004f58b58994b5ac1cbd3e7118987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.321590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013934/manifest.json
observed e6865f579b5fb1e4e53bbbfecef24696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.301176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013934/publication.md
observed f67f128bcd1058cc3171b205426a0c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.282101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013934/publication.txt
observed 9328ac28484e50836d96e6852437ff96...
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.