OpenTechnical

OT-2026-000029194

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000029194) never changes.

Identity and time

Publication numberOT-2026-000029194 · never reused
Internal UUID01a0ae73-2aa0-7c75-97a9-0e78dbce1dc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029194
StatusPUBLIC

Content hashes

Canonical text5129e80f766962845e189abb610b1079ebcdb2cee8f9b559566b52c76a22093d
Markdown45f9eceda2b2fa07bf7d0c38e33cdd47d41bb294a5852d64dc00283b2d1831ab
PDF
Publication page83f7b0fdc2c2761aca7342cf66a6726c0d0b622a27bec85ee4eb7b7a81f6068b
Manifest85ae7af926c07b9f29a5d01bf6168a066140562769f2398f800764ce0b0df104

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
SignatureFNTHpo1mh7xfYXVjzgvZj4WDv797dsFOXPMzYEZ+cN7+4IsU6+rnVchh9gNqL0USsQE8zbyVJj0im02cYvODDw==
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

2026-09-17T11:39:48.275530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029194
observed 83f7b0fdc2c2761aca7342cf66a6726c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.257609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029194/manifest.json
observed 85ae7af926c07b9f29a5d01bf6168a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.237563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029194/publication.md
observed 45f9eceda2b2fa07bf7d0c38e33cdd47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.217424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029194/publication.txt
observed 5129e80f766962845e189abb610b1079...
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.