OpenTechnical

OT-2026-000025213

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000025213) never changes.

Identity and time

Publication numberOT-2026-000025213 · never reused
Internal UUID01a0ae71-5fa6-7c42-b83f-ca4e05ade43d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025213
StatusPUBLIC

Content hashes

Canonical textf00a0a2cbd921d2f7824e3779bd3da8dec0baf87619695bca0e773324281c8c3
Markdown825226754c3d5027de1e1de92c90446ad542e34a9326722a64e80700eeabb053
PDF
Publication pagec9c6f85bd1c1fe4a51aa538b178639f2d45999313b50d824b8acb99539b6342c
Manifest06b7d6edc3b410667d6b187400a70b6adc6e415e4a970c9f5aac2651f0bbab50

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
Signature7/vNYNFkiLuRpy77Fj9eqi5RyQK74+s3bqMRnbmr/XLOfqEqDLa7ONyeYZzU75PkdzP/kWwSLUeUb/65HeSTBg==
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

2026-09-17T11:47:12.730999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025213
observed c9c6f85bd1c1fe4a51aa538b178639f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.711269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025213/manifest.json
observed 06b7d6edc3b410667d6b187400a70b6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.691580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025213/publication.md
observed 825226754c3d5027de1e1de92c90446a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.673978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025213/publication.txt
observed f00a0a2cbd921d2f7824e3779bd3da8d...
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.