OpenTechnical

OT-2026-000047599

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000047599) never changes.

Identity and time

Publication numberOT-2026-000047599 · never reused
Internal UUID01a0ae7f-3e59-7f94-94e8-d78f0387085e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047599
StatusPUBLIC

Content hashes

Canonical text92459d868912c199a48c040c34ac2ac4436a3620316148190d372aeec9a58455
Markdown3b0c39a026c9ac98885221a3b27b9e2ce33ab9612da05cd7dbead5898b155ef7
PDF
Publication pagee8a64ccea3ec1c1943366a04c0b482ddf3d6656d286f6058a4ef8835c174cf6b
Manifest6b13d2e414c8d2c689eeb34c61366d6afc214b93d1bc8e2e4b7f68c0a5f9a0ad

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
Signatureuz8TSLjWd9/eMJYz8fysT2L15ijQ6pQjGU5HhFYPf/yff96OATYh6E160dT8FnjNoTOwMNwyl9/VfVjLY/m+Aw==
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

2026-09-17T11:06:44.145034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047599
observed e8a64ccea3ec1c1943366a04c0b482dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.127570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047599/manifest.json
observed 6b13d2e414c8d2c689eeb34c61366d6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.108729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047599/publication.md
observed 3b0c39a026c9ac98885221a3b27b9e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.090803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047599/publication.txt
observed 92459d868912c199a48c040c34ac2ac4...
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.