OpenTechnical

OT-2026-000029550

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000029550) never changes.

Identity and time

Publication numberOT-2026-000029550 · never reused
Internal UUID01a0ae73-5e21-785c-8572-6cb739a8d773 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029550
StatusPUBLIC

Content hashes

Canonical text534edb80be658deff75ec7c042eba826dd2497d28312c0c74c1409b39ede405d
Markdown9099303ca914af894aa82b64eee78f7920966bf5d6be439bdd7b44e14164ac53
PDF
Publication pagef2cd4b04a6beab9ceca87a8e13a92aa0bef798bb67bd970e506dd7e6921a0657
Manifest7edf4ec59e83fd270ac60b51313c2270d3a0d3d2db87d3f1f08b545f317b1643

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
Signature/+0UfYBAIoiZwBlVMF22jVZ1P2srtrQSfA5+Gi4lN7S7atxtIWaQwOSLFf1gypTABC/o8N9OGO7xgBMPEt1DBA==
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

2026-09-17T11:39:12.437130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029550
observed f2cd4b04a6beab9ceca87a8e13a92aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.419371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029550/manifest.json
observed 7edf4ec59e83fd270ac60b51313c2270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.401943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029550/publication.md
observed 9099303ca914af894aa82b64eee78f79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.385159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029550/publication.txt
observed 534edb80be658deff75ec7c042eba826...
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.