OpenTechnical

OT-2026-000068015

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000068015) never changes.

Identity and time

Publication numberOT-2026-000068015 · never reused
Internal UUID01a0ae8f-c4fe-78a5-990a-e56b2500dfa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068015
StatusPUBLIC

Content hashes

Canonical text72a79658e12e6fd06546fde6793f3a3c507a2f0e005fe68c47df335c197bf74a
Markdownebfe9445b73979a7a5f321a3301f047036dd2815992f9c28e2a3545f36544c13
PDF
Publication page2e4d79ad3ddb65d9bcae7e50fa1ccd8ee91f2ef6c884aa03aeb4d04728aaf9be
Manifest38c45229c89ab06fa7e5921bbd8737856aa8516b3195dc1c6efd6b3c3fbed44f

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
Signatureshfi3SCduObQksRxy9UrziJrJ33r02sHnY4fytGMBHAk7ShyXmR61iXFr71hnE6lCmpEqyUh7uWDGHypF5TWCQ==
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

2026-09-17T10:30:34.375444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068015
observed 2e4d79ad3ddb65d9bcae7e50fa1ccd8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.358090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068015/manifest.json
observed 38c45229c89ab06fa7e5921bbd873785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.339719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068015/publication.md
observed ebfe9445b73979a7a5f321a3301f0470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.317453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068015/publication.txt
observed 72a79658e12e6fd06546fde6793f3a3c...
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.