OpenTechnical

OT-2026-000017408

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000017408) never changes.

Identity and time

Publication numberOT-2026-000017408 · never reused
Internal UUID01a0ae6e-76c9-7d8a-9f34-97b005bb2885 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017408
StatusPUBLIC

Content hashes

Canonical texte115836825152c4c7d1590af6300ada3743d5949c779883290c0f8668eb0f506
Markdownf38cf6d73ec5fda3c1a2d439497b9ef65dab4dba4f1594f1374a7357aabbccdf
PDF
Publication pagec93ef36ddfd09338aa82e349d460033406c2df3c89726ae1ff8880c3871e010a
Manifest4f016faf47c53dcb5c40293c9a811b8302fa915191dc723b5f79bec3cba41a6e

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
SignatureRXqSNwIMBGVWveYIFk4vbI4aAKpgwSbK5jIu5yod496VL/PBZI0Sk2xBAoKa79zJzktkhQFnbwMpS0G+h0W4BQ==
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

2026-09-17T12:02:32.168198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017408
observed c93ef36ddfd09338aa82e349d4600334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.151976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017408/manifest.json
observed 4f016faf47c53dcb5c40293c9a811b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.135956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017408/publication.md
observed f38cf6d73ec5fda3c1a2d439497b9ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.119567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017408/publication.txt
observed e115836825152c4c7d1590af6300ada3...
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.