OpenTechnical

OT-2026-000043985

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000043985) never changes.

Identity and time

Publication numberOT-2026-000043985 · never reused
Internal UUID01a0ae7b-d679-780d-ae4f-88ce3c356359 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043985
StatusPUBLIC

Content hashes

Canonical texte7d27d32a6644ea73ee0d3620dd3317b9846fc7fc2b8a724847600e274a829f2
Markdowne1f67732b10e5e77795f5074c63146121f3191bcf24a24fca359b4b333dd851b
PDF
Publication pagebc72c3e931f0f3a9dce5672d7b4e94e291d505448b6c8fc0812f0ff207cbed36
Manifest338f26125a14218055fe3698e50e04176c3009a55f13409bc4d1e168fca60cc0

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
Signature3FKnwS41tZH/KA/ibrcH1A8CBpwbPdVkdt+8i1mXv1KKUq/QYSBnDWaXasx9/FyqzpEXvqkYAaqIQm0/yusiAw==
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

2026-09-17T11:12:21.241506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043985
observed bc72c3e931f0f3a9dce5672d7b4e94e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.221187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043985/manifest.json
observed 338f26125a14218055fe3698e50e0417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.201753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043985/publication.md
observed e1f67732b10e5e77795f5074c6314612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.179903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043985/publication.txt
observed e7d27d32a6644ea73ee0d3620dd3317b...
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.