OpenTechnical

OT-2026-000047074

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000047074) never changes.

Identity and time

Publication numberOT-2026-000047074 · never reused
Internal UUID01a0ae7e-d0f8-7897-b8ae-2b9cbf6b4e70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047074
StatusPUBLIC

Content hashes

Canonical texta329661f78ccc8651db54812b7bc3650fe7674fe14250ab73324ced0e2b85673
Markdownedc53e00785951f614dad0f03071080e6921bd734b283e74edb2b9f174876393
PDF
Publication page3a39328780e7018c0431dc44702cf4c7d0df10dc007a9b05d401401512cb2c16
Manifest8ce8b984a18604221d3b8cbe7c04a9dd420a345c50f90cbec718f41496c51c96

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
Signature4PUeJhYgR8bVpAEleorDjVZjqRYAcGwvsK0ZDQmBrBsjQt4OwdQBX6BEtO1aqklTr9TwRS2rhp1j9WL653zyCQ==
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

2026-09-17T11:10:22.941638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047074
observed 3a39328780e7018c0431dc44702cf4c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.921890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047074/manifest.json
observed 8ce8b984a18604221d3b8cbe7c04a9dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.900204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047074/publication.md
observed edc53e00785951f614dad0f03071080e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.879411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047074/publication.txt
observed a329661f78ccc8651db54812b7bc3650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:51.114800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047074
observed 3a39328780e7018c0431dc44702cf4c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:51.096308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047074/manifest.json
observed 8ce8b984a18604221d3b8cbe7c04a9dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:51.077922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047074/publication.md
observed edc53e00785951f614dad0f03071080e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:51.058320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047074/publication.txt
observed a329661f78ccc8651db54812b7bc3650...
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.