OpenTechnical

OT-2026-000047229

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000047229) never changes.

Identity and time

Publication numberOT-2026-000047229 · never reused
Internal UUID01a0ae7f-3e55-78bf-9b83-fc7a82985dd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047229
StatusPUBLIC

Content hashes

Canonical text94f9390c565bab383c70c60a57b659113d212cd16c59da1325380515cfec275f
Markdown501fb93cdbb8b2d5a4085514910bea27ad7d2b8cfb147cc05cde5e4949182561
PDF
Publication pageaaa17e1f04b133fc4b8991c95235d9f725d7dc320a9c2579a846c9a1925ff83d
Manifestf454659bcd511a97c882aa1915c1167dd7e66e97cfda4d7ca5507b3c1b027284

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
SignatureuiGZpvfar9PARbukIc3dAW4JinK2uTCU528aSfepMWklBO99X0zTLqnfiMgHIloF7P16onPVIVLq/ft+sdz5CA==
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

2026-09-17T11:06:10.975069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047229
observed aaa17e1f04b133fc4b8991c95235d9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.956950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047229/manifest.json
observed f454659bcd511a97c882aa1915c1167d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.939420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047229/publication.md
observed 501fb93cdbb8b2d5a4085514910bea27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.920944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047229/publication.txt
observed 94f9390c565bab383c70c60a57b65911...
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.