OpenTechnical

OT-2026-000030158

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000030158) never changes.

Identity and time

Publication numberOT-2026-000030158 · never reused
Internal UUID01a0ae73-e500-7e29-bb67-176a3559c8a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030158
StatusPUBLIC

Content hashes

Canonical text2699e5469babfa1dad2cec3dc431addd738706d9178023620f922867d8034848
Markdown2a008b31f63a835a18f52e3ba0ee34df7fd0ba9e6ad9190ed00fbd7c2cbd34af
PDF
Publication page01c3194656e5380c1be846a47faed6060c16e69f008e6b64c637f4d36e75b5c8
Manifestc709aaa0384fdc5258854bea2d1a343fdc7e625f86b02225aefe046d725ead08

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
SignatureRFoMWJifM1bQEg6Oc1Q+4sNHPitCAFqoJgohhSWv9NTxxKJ7sQKDhLoBa86dMqdyAzWEbuTTy+1XvWGctzcWCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:24.455626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030158
observed 01c3194656e5380c1be846a47faed606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:24.437076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030158/manifest.json
observed c709aaa0384fdc5258854bea2d1a343f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:24.420001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030158/publication.md
observed 2a008b31f63a835a18f52e3ba0ee34df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:24.401578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030158/publication.txt
observed 2699e5469babfa1dad2cec3dc431addd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:47.346541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030158
observed 01c3194656e5380c1be846a47faed606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:47.328857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030158/manifest.json
observed c709aaa0384fdc5258854bea2d1a343f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:47.311861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030158/publication.md
observed 2a008b31f63a835a18f52e3ba0ee34df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:47.295765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030158/publication.txt
observed 2699e5469babfa1dad2cec3dc431addd...
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.