OpenTechnical

OT-2026-000047557

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000047557) never changes.

Identity and time

Publication numberOT-2026-000047557 · never reused
Internal UUID01a0ae7f-3e59-70c9-ac8e-5140899547ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047557
StatusPUBLIC

Content hashes

Canonical text9769fb416c69f224a2c4ad4f1ab2b33ef04e7423d66a675c6031984873ae39a1
Markdown594482e9a72667447015ea07da3478db6a8b65d1d25b482954477750579ee6d1
PDF
Publication page5d082cafff5d13abfd43dff454328a54273b875f5b66721e27c50586edeb17a6
Manifest5e2aa01f6272c2908a116b464632bb414370c0ea1ddb06ec9dc7a1fb69930be6

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
SignaturefBCuCeEcYe+JxHVqhVmOyMhdRby6Hyy6TvZ/l8OH1Dbj63ORJQk8oXIMq43v5d5jntKSPnj7+odzWjKbaul7AQ==
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

2026-09-17T11:06:40.728296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047557
observed 5d082cafff5d13abfd43dff454328a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.710294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047557/manifest.json
observed 5e2aa01f6272c2908a116b464632bb41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.691638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047557/publication.md
observed 594482e9a72667447015ea07da3478db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.670743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047557/publication.txt
observed 9769fb416c69f224a2c4ad4f1ab2b33e...
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.