OpenTechnical

OT-2026-000026149

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000026149) never changes.

Identity and time

Publication numberOT-2026-000026149 · never reused
Internal UUID01a0ae71-a840-7400-9257-a9a02051e157 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026149
StatusPUBLIC

Content hashes

Canonical text0aa6f1662f8c285b55233eb5200ca16fdb51a97892ebffc2f14981527bb8fec6
Markdown1dd2ff7b610606e4fc7321cb3b55a05def964c2efa141a37b7b02aa3433b4334
PDF
Publication page320f73c4af1fb51db19fa62135b25989cf212d00cb4e150ffdf5e68d570e32d4
Manifested61b46c1555402179c5d62bc647012a8dff9feba76c18dbe477d547abe0700d

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
SignaturelN3sVN25R2qcebm6t9AnR1G4nwW4ypSjy+t3paS+v97JNpI6BRnKV7JBKTliKv5J++xkwYnvn9N9AGifqta7AQ==
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

2026-09-17T11:46:39.363036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026149
observed 320f73c4af1fb51db19fa62135b25989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:39.345385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026149/manifest.json
observed ed61b46c1555402179c5d62bc647012a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:39.329215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026149/publication.md
observed 1dd2ff7b610606e4fc7321cb3b55a05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:39.313050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026149/publication.txt
observed 0aa6f1662f8c285b55233eb5200ca16f...
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.