OpenTechnical

OT-2026-000053005

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000053005) never changes.

Identity and time

Publication numberOT-2026-000053005 · never reused
Internal UUID01a0ae84-a430-7b31-9cab-be0f68879d50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053005
StatusPUBLIC

Content hashes

Canonical textc63c88db66c9d9e01c5cc1b367b2ee65c8cd84d9bcdd8b3ae3331eb99c4e5912
Markdown435a8e9be9c69703267250b5273fe3dba749fce4b1fcc9446f3b50197ac9f4f1
PDF
Publication page52d60b8e796fdcea736184d3d0cf094a13b3129aaa828311df50baeeb060f65d
Manifest99508d1c8f43d8a61efb9996b84f980a2edefb8c4fb1f8fa275f7438dfdbdd19

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
SignaturedyXbYVHmG1p2PpCYk6NL5T4ggU7s6miaGIMLMQYXwYsSx1ztZHybl6LoLHoOgewAgg2ivriCmgeh81u5LIRxAg==
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

2026-09-17T10:56:42.126408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053005
observed 52d60b8e796fdcea736184d3d0cf094a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.108523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053005/manifest.json
observed 99508d1c8f43d8a61efb9996b84f980a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.089940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053005/publication.md
observed 435a8e9be9c69703267250b5273fe3db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.071628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053005/publication.txt
observed c63c88db66c9d9e01c5cc1b367b2ee65...
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.