OpenTechnical

OT-2026-000065303

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000065303) never changes.

Identity and time

Publication numberOT-2026-000065303 · never reused
Internal UUID01a0ae8e-1dfa-7918-8cb2-d3cb235ffa4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065303
StatusPUBLIC

Content hashes

Canonical text2dd930fcab325f289c1e770f47663ef836ccf5310fb579f347ee2453a44283d3
Markdown4614708cc96355917ebc1b830a5989db837e1f47fc723f54d1570e550856d6ec
PDF
Publication pagec2b86a0db22a2c20fda37bbbcadf55ac7f6fc19db151eeb6827b6e264850dc1c
Manifest3fcc14fc7015d196052a510f3b4cb330019fe1de11bf78cdee5ca41ca138f443

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
SignatureAeE3868v4iq/2X31n03Qig+hoq/VDH0flPUNlvRZ8uO5ymKalU5cr70TvAd4okTpZkmCS/FJqbVuCP7zxJETBA==
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

2026-09-17T10:35:16.645291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065303
observed c2b86a0db22a2c20fda37bbbcadf55ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:16.627108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065303/manifest.json
observed 3fcc14fc7015d196052a510f3b4cb330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:16.609592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065303/publication.md
observed 4614708cc96355917ebc1b830a5989db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:16.591294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065303/publication.txt
observed 2dd930fcab325f289c1e770f47663ef8...
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.