OpenTechnical

OT-2026-000063223

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold 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-2026-000063223) never changes.

Identity and time

Publication numberOT-2026-000063223 · never reused
Internal UUID01a0ae8c-94ab-7657-ae12-cb2cbb10b03a · 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-2026-000063223
StatusPUBLIC

Content hashes

Canonical textc826304a11dd04d4a542e8a78b23b3b183afda4274f5cd647ef7f928c25a2885
Markdown6649e813c304dd1a340423952cad89b8c80dcb2d3e56954972b6e59573f5ba49
PDF
Publication page74d18b86716ed9d5a35850c3746f1567972c612984a4fb5a97a9b5114218d461
Manifest216a22cd4b8ddc9d754f835bb1469644882cca9ef4aae05a90d294c6d965727c

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
Signaturey5CVRxgTZIrhBqXFfip2bJBfnawuUCABUs96ydvfxnr9h803T9hQ1jEQDfRnrgSwHJD1RI8iIbNimPERzHL3Dg==
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

2026-09-17T12:41:54.042658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063223
observed 74d18b86716ed9d5a35850c3746f1567...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:53.902294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063223/manifest.json
observed 216a22cd4b8ddc9d754f835bb1469644...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:53.764725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063223/publication.md
observed 6649e813c304dd1a340423952cad89b8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:53.617349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063223/publication.txt
observed c826304a11dd04d4a542e8a78b23b3b1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.056447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063223
observed 74d18b86716ed9d5a35850c3746f1567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.037707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063223/manifest.json
observed 216a22cd4b8ddc9d754f835bb1469644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.021532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063223/publication.md
observed 6649e813c304dd1a340423952cad89b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.004098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063223/publication.txt
observed c826304a11dd04d4a542e8a78b23b3b1...
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.