OpenTechnical

OT-2026-000034494

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000034494) never changes.

Identity and time

Publication numberOT-2026-000034494 · never reused
Internal UUID01a0ae76-1ed0-74b4-b817-01c4d6da8914 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034494
StatusPUBLIC

Content hashes

Canonical text6e89a26c598f35d109a727f839932ed5e1c1d2e28ef645f7d8fda8dd88677d3f
Markdown51df6edb2c7bb0d1fbb32978f9939c6110660a39bc7881dc3da48a57295c7e5a
PDF
Publication pagee043e7dd5f22cd803be6961a6552b536b20cd97b9d09f0ea6ad3c0f25fca1a5d
Manifest1dbc0e17a5edcc2d224dc6762cad610da46634f1cda2de9645df7f94ad84cc80

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
SignatureaTMZbephc41bMxmsGyFbjP6NQZ2Gx4ltTvoF9YDD1ZaeXZrBjv/HJrR4tfFpF32kuB2nU1+44NTOKFR0UECCCQ==
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

2026-09-17T11:28:49.711424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034494
observed e043e7dd5f22cd803be6961a6552b536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:49.694343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034494/manifest.json
observed 1dbc0e17a5edcc2d224dc6762cad610d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:49.678063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034494/publication.md
observed 51df6edb2c7bb0d1fbb32978f9939c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:49.659668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034494/publication.txt
observed 6e89a26c598f35d109a727f839932ed5...
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.