OpenTechnical

OT-2026-000066451

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000066451) never changes.

Identity and time

Publication numberOT-2026-000066451 · never reused
Internal UUID01a0ae8e-ce40-7804-8a49-fc4d392e28c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066451
StatusPUBLIC

Content hashes

Canonical textebdfbcb379c352a8cb9ba1965bb22cd2b71745eedcad4265e1be75be0bd8a798
Markdowne1c8f89cb2fc4f0e88f16ab61bcab77a457eb57b81c537499caee08934cbaff7
PDF
Publication pageeb4eb8ea45a22e19c3a3c1b963263e4ed2e3760da2384733fcc7d94f4143b6f5
Manifestea5385c78b28c120feea2e84fe5d414a11e3878500319da0c8bdbe42d74579f8

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
SignatureJgXvxaMdeImhQMvh44OL7X0opI1G0CZpckJ1wDTNR+XCg6joFsw4ZYH9a5OnCEioVHR8u9v2125C2o4XKlAfDA==
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

2026-09-17T10:32:41.931944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066451
observed eb4eb8ea45a22e19c3a3c1b963263e4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.914628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066451/manifest.json
observed ea5385c78b28c120feea2e84fe5d414a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.896680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066451/publication.md
observed e1c8f89cb2fc4f0e88f16ab61bcab77a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.879516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066451/publication.txt
observed ebdfbcb379c352a8cb9ba1965bb22cd2...
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.