OpenTechnical

OT-2026-000046007

Publication integrity record

Four cup vacuum gripper, four zone face, three 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-2026-000046007) never changes.

Identity and time

Publication numberOT-2026-000046007 · never reused
Internal UUID01a0ae7d-8f8a-7916-aed9-171f50880a61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046007
StatusPUBLIC

Content hashes

Canonical text7398fcce929e5513351045791c062db0e6ebb4f78280b55c3706bb8bb187cf78
Markdown8303e06b5175c563eb7884508b039cf0b90ef2e1a82fd8364ef418c89964b897
PDF
Publication page4ecf81c99b859b66323d2ce64ddf9f5574ffe41e5c28cef494b3de6d4b30602f
Manifestf013bb3ac483d6bb0e155994731e522f4f7f57fc0ff18ada6ca124b204210d4b

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
SignatureApAkW8qJvAa4P3ZnXHTWfQxY4Edo2Sr+y3KB4gYeMpbpXRLuSnofogyHOpqygOQex1Vy2bNdfEB49Bc/TY1+BA==
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

2026-09-17T11:10:00.598116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046007
observed 4ecf81c99b859b66323d2ce64ddf9f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.580223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046007/manifest.json
observed f013bb3ac483d6bb0e155994731e522f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.561143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046007/publication.md
observed 8303e06b5175c563eb7884508b039cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.541179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046007/publication.txt
observed 7398fcce929e5513351045791c062db0...
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.