OpenTechnical

OT-2026-000066943

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000066943) never changes.

Identity and time

Publication numberOT-2026-000066943 · never reused
Internal UUID01a0ae8f-14fd-7e0d-a1a5-296f199676e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066943
StatusPUBLIC

Content hashes

Canonical textb0445e78ac7355b65f72e635cbae57b836689cc7800d1cc21aa6735182db9c02
Markdownb3317906ee39736d50d5093095d48d7d58cb05ad9febaccee36d73dfb755e09d
PDF
Publication page11a82088a734580cc4ea02df9f8ae339ac4903f67a4a977793919dced64cd1a4
Manifest20b599181e97b0555c8adbaea241ae90ee201e07f903c43b93a2663dca6390c0

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
SignaturezCkW+vEkvZ92qYD1fc9yd1t5uAAbdbWJwVVmfYvBz6q+FkPxfrCuMyH7qXeqdVaZ9oTY7zqY3Dssm+ceS3STCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:09.375537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066943
observed 11a82088a734580cc4ea02df9f8ae339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:09.357797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066943/manifest.json
observed 20b599181e97b0555c8adbaea241ae90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:09.340016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066943/publication.md
observed b3317906ee39736d50d5093095d48d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:09.321304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066943/publication.txt
observed b0445e78ac7355b65f72e635cbae57b8...
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.