OpenTechnical

OT-2026-000066221

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000066221) never changes.

Identity and time

Publication numberOT-2026-000066221 · never reused
Internal UUID01a0ae8e-8dc3-700e-9241-566dfd2249bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066221
StatusPUBLIC

Content hashes

Canonical text435cec7f56b892c4f53b79b444029543daee25bb661706d993ec11a7ca043a4c
Markdown815f7ce13b0ca6fbc36485524896bb106b40e471d2d4ba0db51f4ac7a308e4e8
PDF
Publication page219179ffd34424afdfac2c8b5d0d3bb77fd8bbd7fdffa2e88ebbc6366f95b1e5
Manifest6c52c1243f45d92884a04e32a8ea9fd0c7d434b7ad2c3a1e4301ca337d79207a

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
SignatureVn8dmNv9BD6/kbjHp/lvR8G7PGw0Y7BH0jtmCEKl4SBAcuKmlDsrL5NDc7gMBtKrObAeRbdc4VQ98dfrDyXkBA==
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

2026-09-17T10:33:23.033931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066221
observed 219179ffd34424afdfac2c8b5d0d3bb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:23.015600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066221/manifest.json
observed 6c52c1243f45d92884a04e32a8ea9fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.999161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066221/publication.md
observed 815f7ce13b0ca6fbc36485524896bb10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.981935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066221/publication.txt
observed 435cec7f56b892c4f53b79b444029543...
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.