OpenTechnical

OT-2026-000063953

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line 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-2026-000063953) never changes.

Identity and time

Publication numberOT-2026-000063953 · never reused
Internal UUID01a0ae8d-53bb-7fb2-b648-2b3ae39156b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063953
StatusPUBLIC

Content hashes

Canonical textdee07184f4d1b919194542bc65ea4cd1e3c53e7a73afcc0a400af36f3ff47236
Markdown153fe01a83309699a46c64b0286d6fdd717b9eee3f83b7932d287173acaa2467
PDF
Publication page55f14c4c4c38e2dfb4e90c928d6c039cdf9b17c9f33cab2e23072b51645b5814
Manifesta7dd5877f8e624442cc87c4e846db66a595f55ff5acce82ce7c9a687fb037a2a

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
SignaturevYkU4JhTPLeyPvPif76ifxag4HTxZ0hqHN6p6cSmywOq0ZGciWL2JXZVFTPPXHgErUWiGA0212oBN9ojUdtHAQ==
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

2026-09-17T10:37:00.867545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063953
observed 55f14c4c4c38e2dfb4e90c928d6c039c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.849758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063953/manifest.json
observed a7dd5877f8e624442cc87c4e846db66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.832359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063953/publication.md
observed 153fe01a83309699a46c64b0286d6fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.813660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063953/publication.txt
observed dee07184f4d1b919194542bc65ea4cd1...
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.