OpenTechnical

OT-2026-000022001

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000022001) never changes.

Identity and time

Publication numberOT-2026-000022001 · never reused
Internal UUID01a0ae6f-bb5c-72fe-8b51-322b7a29292c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022001
StatusPUBLIC

Content hashes

Canonical texte27e2146ebd3d6176de4f478a035f0ff0d6b60620034d3bb07abbf00d82006dc
Markdown116a1cdc768c9c3d5dcb829d09edaa306fbe40e393269a14101e6c386a56ec4f
PDF
Publication page2ec05d01ab77cb98364b75b8acac3ef0a1542012f81790f35767004080bde5aa
Manifest11f09d05500afa03ed906d86e6fbc5c09f6ae943012896328b8d3df97c5a8cb2

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
SignaturetGbo4kIcK/C52g06Cj/9Q2N9qrKoUBhKGXQOgln1i7rNgKTyKK0QA2Pk5z2s4On3lEyp1MewCTvpnMc+92a3AA==
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

2026-09-17T11:54:40.828157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022001
observed 2ec05d01ab77cb98364b75b8acac3ef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:40.810212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022001/manifest.json
observed 11f09d05500afa03ed906d86e6fbc5c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:40.791118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022001/publication.md
observed 116a1cdc768c9c3d5dcb829d09edaa30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:40.772120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022001/publication.txt
observed e27e2146ebd3d6176de4f478a035f0ff...
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.