OpenTechnical

OT-2026-000028061

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000028061) never changes.

Identity and time

Publication numberOT-2026-000028061 · never reused
Internal UUID01a0ae72-a51f-7054-98cc-9658d336434a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028061
StatusPUBLIC

Content hashes

Canonical text729d58f0727cea0ba6840a06640d286c3272c43d386912985af1cefd5874ea2c
Markdowncd3db0da1e8f35791ee0f0f976f564c3040b498b48ffb003df07c7198e7ef2a2
PDF
Publication page4996d9054a256b9dea9138435f7a1f04030e8423deafb6ff230b6e9ae5a406d3
Manifest34a2774474703d57bd7118228a4f206e22dfbd73e7cd9574ac99effd043c1b7e

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
SignatureD4RDGBB+hsXgbLeZrz0qJOr8a26CeFk0NfGZI/I0OnY+8kn2Q8DSDZUsHxmwlW+pjP7un1ruc6xK8LiITuPDAA==
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

2026-09-17T11:42:23.764190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028061
observed 4996d9054a256b9dea9138435f7a1f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:23.745513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028061/manifest.json
observed 34a2774474703d57bd7118228a4f206e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:23.727325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028061/publication.md
observed cd3db0da1e8f35791ee0f0f976f564c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:23.709707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028061/publication.txt
observed 729d58f0727cea0ba6840a06640d286c...
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.