OpenTechnical

OT-2026-000018478

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000018478) never changes.

Identity and time

Publication numberOT-2026-000018478 · never reused
Internal UUID01a0ae6e-b48a-73bf-a687-4ee83627d71c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018478
StatusPUBLIC

Content hashes

Canonical text442e63f69622106bdf1f2c7fafcb3ba9ad7cc90d7cc585b24bf4d0e067c1251b
Markdownc9a6f8476b34c3fad3f3a23de7b6e7572d05e5c801565bc40e4facb942c38b94
PDF
Publication pageb533c74ea3f0e5d81afed84c5031739dac8bb7c0d00dd7d24d7d16ccd7b566a7
Manifest62bac4381aa004c6207c8b4f636f5531af6844f3d8319725d036c794f2277ff9

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
SignaturegL6lJrgDIukweVXOmLUH/aaDSyO6i0V7k3iWXNamcSLGOaZ1EmZ3167hFJlks6fW4Q/I1U/S+TAnD0j1yh4iAA==
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

2026-09-17T12:01:14.771547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018478
observed b533c74ea3f0e5d81afed84c5031739d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.752961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018478/manifest.json
observed 62bac4381aa004c6207c8b4f636f5531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.735092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018478/publication.md
observed c9a6f8476b34c3fad3f3a23de7b6e757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.716132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018478/publication.txt
observed 442e63f69622106bdf1f2c7fafcb3ba9...
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.