OpenTechnical

OT-2026-000073369

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000073369) never changes.

Identity and time

Publication numberOT-2026-000073369 · never reused
Internal UUID01a0ae92-efb8-7455-bbbd-155a0024f643 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073369
StatusPUBLIC

Content hashes

Canonical text76b7a92ce56468c16a18b98c9a7250d3658ef0c37fcf2ce8955014fdb5df3bb8
Markdownd7ef0297e1adaaa2cd3a6e6f4c0d6300f3b9d90b83c01387ea59ff4ca9d4596e
PDF
Publication paged504334b3d4dadcb5c70c007de9561e34a6b8a4ae657310314078ee0d53bdf6d
Manifestabab7f59912a72b0850de66bc72463e4b545a220ef42f1d1c14be4a89f13d1d5

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
SignatureI/sSotV24On49lIyJufQwfLj9o/Ln71wf3JGpAp8kxhM19AWHl5nKGPfu4VsTwCTSRlB+Xsp5ier9XuD6GyCAw==
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

2026-09-17T10:21:24.134562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073369
observed d504334b3d4dadcb5c70c007de9561e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.116076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073369/manifest.json
observed abab7f59912a72b0850de66bc72463e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.097550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073369/publication.md
observed d7ef0297e1adaaa2cd3a6e6f4c0d6300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.078895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073369/publication.txt
observed 76b7a92ce56468c16a18b98c9a7250d3...
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.