OpenTechnical

OT-2026-000063939

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000063939) never changes.

Identity and time

Publication numberOT-2026-000063939 · never reused
Internal UUID01a0ae8d-53bb-7827-ace7-88cc53af7a78 · 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-2026-000063939
StatusPUBLIC

Content hashes

Canonical textebe20ed3689c7bf43afa800711a92ba37e07341b6520bed7b4aacf2416870554
Markdown3881828f370465cc65930e67a74c4b9d2cfe1ce1050e747f614493e051db39f8
PDF
Publication pagee2d8ec6d32fe191b9619e9e049f68bdc4317c309c2241bf333b5125e0d7ee56e
Manifest1350d7c6581bddcce9ec2132a448747da09052e7b6da9ef86bbcc5dafad5d35e

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
SignaturerIsZgakXdiT3G0xDRLCDLb/gNHk/dR7BwfjS/gYhDvR4C/svbvySA/pjuQOFKErhIZxG8ioTm7+t6pq6lR/YAQ==
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

2026-09-17T10:36:59.718936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063939
observed e2d8ec6d32fe191b9619e9e049f68bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:59.699588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063939/manifest.json
observed 1350d7c6581bddcce9ec2132a448747d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:59.681081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063939/publication.md
observed 3881828f370465cc65930e67a74c4b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:59.660374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063939/publication.txt
observed ebe20ed3689c7bf43afa800711a92ba3...
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.