OpenTechnical

OT-2026-000052112

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000052112) never changes.

Identity and time

Publication numberOT-2026-000052112 · never reused
Internal UUID01a0ae83-e78f-7fcd-a0cc-5038ccb69269 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052112
StatusPUBLIC

Content hashes

Canonical textd53ec55ab3b49d8cd4f6d0c875c788bef0a017b7df29f7791a3e8f729e165435
Markdown5eefc3ae88bb636c925fde54226020d58068be3e4a88cd6a0318e06b81541770
PDF
Publication page0063963bb053abdc50e537e156c0dc6a7286a54fd88ffa4d6acf0a1d934107b3
Manifest0ecbbcdf4b1e34e0669b47e99cc60b60b7270af28832bb7ffab86f4575de8a17

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
SignatureR/WKGM1AulnoGjYc7Gjc3sNxKXTvBoDeKn9GxmSr8v7L+I86z+WNbBYB0+u0xqZ+JLKpVoRyFnNf4YTw/w3gCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:39.341843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052112
observed 0063963bb053abdc50e537e156c0dc6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:39.323481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052112/manifest.json
observed 0ecbbcdf4b1e34e0669b47e99cc60b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:39.305033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052112/publication.md
observed 5eefc3ae88bb636c925fde54226020d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:39.259662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052112/publication.txt
observed d53ec55ab3b49d8cd4f6d0c875c788be...
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.