OpenTechnical

OT-2026-000071845

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000071845) never changes.

Identity and time

Publication numberOT-2026-000071845 · never reused
Internal UUID01a0ae92-1e92-7b94-bc6b-e9dd0d22694e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071845
StatusPUBLIC

Content hashes

Canonical textc08cfd71541743879b8e1e9cffe922d6254f3a703b2a45b925bfc81927b37742
Markdowne6a986ef5f1099e5e1e7b7dd10064448d0645fa0a27c0e2742e342000ec37a7f
PDF
Publication page10efe9a53aa0dcd849187c759c35db00f26d546c12471211f989b05771f5aa2e
Manifest5a4edbed6b2eb23f010df3c8f2ebe691b8a810cf0a4f2ae29cdcf48c0ba58442

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
SignaturePMnPrpEYbZKn4gIR4jvTNylLa/TOgLw0Wg+R8+RUi+f96o3KV0ypfAvU3sVYQKvyDuR0NalFvnkNircvG3oUAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:01.448347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071845
observed 10efe9a53aa0dcd849187c759c35db00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.430769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071845/manifest.json
observed 5a4edbed6b2eb23f010df3c8f2ebe691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.413729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071845/publication.md
observed e6a986ef5f1099e5e1e7b7dd10064448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.396528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071845/publication.txt
observed c08cfd71541743879b8e1e9cffe922d6...
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.