OpenTechnical

OT-2026-000053882

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000053882) never changes.

Identity and time

Publication numberOT-2026-000053882 · never reused
Internal UUID01a0ae85-735e-728c-a701-b6e0d44c6a5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053882
StatusPUBLIC

Content hashes

Canonical texta98c4a1187c81e02d28f3f5ab90132ca34d236df61b587240082ef309c750d7a
Markdown09467826b3679ab75756624367e444341c752d9dc963321363ba2ccbc53e54b0
PDF
Publication page106b7af4a128ec9df73b108e74d2d81a84a6bc403bbb4c8883805dc33a2066ce
Manifest24fb67de3671a1c67c1bfdf55237ad04c889c85ddbc2aa7952dd7cfb12153c26

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
SignatureIEI4EXKsFNELthyh9lMSjETNhD8Gy5erZN9J+rwAP4oBJZykndYH/jH8kqVMeIigTOIjjRCigac4e1oh/OE5CQ==
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

2026-09-17T08:40:42.265937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053882
observed 106b7af4a128ec9df73b108e74d2d81a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:42.071124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053882/manifest.json
observed 24fb67de3671a1c67c1bfdf55237ad04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:42.027214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053882/publication.md
observed 09467826b3679ab75756624367e44434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:42.006114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053882/publication.txt
observed a98c4a1187c81e02d28f3f5ab90132ca...
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.