OpenTechnical

OT-2026-000046121

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000046121) never changes.

Identity and time

Publication numberOT-2026-000046121 · never reused
Internal UUID01a0ae7e-032b-7c8a-ae22-cc2010e47932 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046121
StatusPUBLIC

Content hashes

Canonical text39ff264f171fe0801dfc49e11529438c3c54ce3b87e4d460d1288a2276cbd248
Markdown3d09803943747909b740f46db9d88d1ce5fcbe13f40b8c46708148d2de329482
PDF
Publication page1d9ff8b1cf339a7f5ece667dacf931d096e0218e172300bfd2ab56952dbd7ac2
Manifest68cd070033114224c88075a887dee49f09ac59f93ab7d7bda4e9a3a6f2187272

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
Signature0gU4UjbwBlzhXjnwgsHyVLZsfbuppPYimil3N6e5Q14JRZwyCBPAeOldz80ZnwSi4wRvym+iE7iD6UuAKEz8Dw==
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

2026-09-17T11:09:06.243490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046121
observed 1d9ff8b1cf339a7f5ece667dacf931d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.224161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046121/manifest.json
observed 68cd070033114224c88075a887dee49f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.206240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046121/publication.md
observed 3d09803943747909b740f46db9d88d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.187651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046121/publication.txt
observed 39ff264f171fe0801dfc49e11529438c...
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.