OpenTechnical

OT-2026-000068904

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump 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-2026-000068904) never changes.

Identity and time

Publication numberOT-2026-000068904 · never reused
Internal UUID01a0ae90-6dcc-7214-9ab5-618df50d5b16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068904
StatusPUBLIC

Content hashes

Canonical text1b0c4d0a4358df067af453b7189f3d0ac582e569fe7829fcb9329fcd5da30ba2
Markdownd5451458facd75a7cc694fc6d9d3f7f32bf6a0b8bd0f46afb3bfca953352f6c8
PDF
Publication page9167529f2173f316013cc2a8bac01eb44f7d5fe5ea4c7ec14681e1807ffbfd1a
Manifest0d7d0593972bcb21d6884a5a8ebc7b52020163ac91cffca250c3b2e18b6ca6c0

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
Signaturey9AoimRmpdq4ppOGZz8TJeCQzxgokYSrLp+jC44Lu6rtzjWvgYf8IC01YcN0qUSJZSiykoF36+5bZTp0xEtUBw==
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

2026-09-17T10:28:43.643730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068904
observed 9167529f2173f316013cc2a8bac01eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.627086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068904/manifest.json
observed 0d7d0593972bcb21d6884a5a8ebc7b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.608368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068904/publication.md
observed d5451458facd75a7cc694fc6d9d3f7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.591581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068904/publication.txt
observed 1b0c4d0a4358df067af453b7189f3d0a...
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.