OpenTechnical

OT-2026-000026901

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, 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-2026-000026901) never changes.

Identity and time

Publication numberOT-2026-000026901 · never reused
Internal UUID01a0ae72-3452-75b0-b376-723523a9d115 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026901
StatusPUBLIC

Content hashes

Canonical text9c98f3d8813fe167eb3ed65ff17856c3d7feba8bc6abecc729e3d58e202f7b9c
Markdown7cc8f06f4ce31cc8503b1d01bb99e59e4908a55b58f9a1e0f4aecb097918c2f9
PDF
Publication pagebb206f2ab7d0b07774f9ce5bd7a4a909f0182a219a95409d481604183d8194ed
Manifest6db0bcbd63388fdd8b56c94804ee4b131a0d390c13308bf17a609ce7c49e700c

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
SignaturelleMt1eyv1DNnQATTnA07tEo/EfqdMsSWA9ZQnyPjJ4kUIpVoH8SGEWvPYGAX0sjZgMgS/708u/MGjl3tKYYAw==
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

2026-09-17T11:43:30.700964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026901
observed bb206f2ab7d0b07774f9ce5bd7a4a909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.682727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026901/manifest.json
observed 6db0bcbd63388fdd8b56c94804ee4b13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.665413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026901/publication.md
observed 7cc8f06f4ce31cc8503b1d01bb99e59e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.646256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026901/publication.txt
observed 9c98f3d8813fe167eb3ed65ff17856c3...
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.