OpenTechnical

OT-2026-000016290

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000016290) never changes.

Identity and time

Publication numberOT-2026-000016290 · never reused
Internal UUID01a0ae6e-2d12-7ba5-bdbf-f198b3d61f72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016290
StatusPUBLIC

Content hashes

Canonical texted1c9be2ae9cbcb1b1af2fd690f7b919026c2ea7bb609bf8300b67bd22381c33
Markdown6eebda6260db2e89df69690c1ef7a3554b0874bf45ca28ffcd0981aeb13fd8b9
PDF
Publication paged48db19d1a554a13f7a6268904459704195f6839a9339b0f394b7d24c4bbccf8
Manifest656c640e88994ca9ff255cad6be17ee99bcc7b4a811b6de564d12eed0640cddc

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
SignatureWCqOa9JuS64IxapkLGkdMcNs3w8KyJTtENrSrg41AeZsW74lDHhaHxJxp5b2QLGyKCMwGo2RfDnpRWUroC+NDg==
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

2026-09-17T12:03:46.749400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016290
observed d48db19d1a554a13f7a6268904459704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:46.730610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016290/manifest.json
observed 656c640e88994ca9ff255cad6be17ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:46.712149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016290/publication.md
observed 6eebda6260db2e89df69690c1ef7a355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:46.691053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016290/publication.txt
observed ed1c9be2ae9cbcb1b1af2fd690f7b919...
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.