OpenTechnical

OT-2026-000063213

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000063213) never changes.

Identity and time

Publication numberOT-2026-000063213 · never reused
Internal UUID01a0ae8c-94ab-7d35-8869-d8a1451f6ac9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063213
StatusPUBLIC

Content hashes

Canonical textb64e8e902255efa2d80e4f87bc039cd0fa4c0f6747becef5ce3706348c29531b
Markdown0eaee48e561bab86b9b12d0942077baf3ab1d7fa0ffdadaafc14c560b3b8e466
PDF
Publication page770043e77e124361c79a6aff98b24bcc09e85d9a28df049aae77ad652c3b630c
Manifest853426b7c64996c2ddc79021a5bc4382d72fc0f0210577ea42f164d9582cd152

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
SignaturebTeIPmO2So7Io4/zcYe72VLtpfhv69HG9z1ivY3WpqDbu8Xj1r8czL+1QTklhiekHDuEkYXvIoJ9hwlpZeP0BA==
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

2026-09-17T10:39:05.315149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063213
observed 770043e77e124361c79a6aff98b24bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.296652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063213/manifest.json
observed 853426b7c64996c2ddc79021a5bc4382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.279780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063213/publication.md
observed 0eaee48e561bab86b9b12d0942077baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.261902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063213/publication.txt
observed b64e8e902255efa2d80e4f87bc039cd0...
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.