OpenTechnical

OT-2026-000047121

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000047121) never changes.

Identity and time

Publication numberOT-2026-000047121 · never reused
Internal UUID01a0ae7e-d0f8-717b-81d3-a06e54f3ec7a · 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-2026-000047121
StatusPUBLIC

Content hashes

Canonical texte7041fbf8300e090cd6763d31870690b8f2d6071a5071fe8bec99cb92ff10be6
Markdownd5f542698e243ed27acd0aa2530f8c959c99a62bcc757b64ee51c3f6b8648fb1
PDF
Publication page2751bfc584e8c8b4f04a27e4785e0f9630d5ece2a0b0d2be10bb469ea790a615
Manifest92fffd39379fffcfb2fb01b02e2964cbfcce5764010826cd64bcbcdcd53d9b5a

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
SignaturemOaBeAQj10k9Y5CSJWdaVD9/5eE7oFtceYUxgZ81kbpHJltob4xFqGZ6nNIKo4yGOSDQTKHNtQnBDwS7nV7PAA==
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

2026-09-17T11:10:27.027580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047121
observed 2751bfc584e8c8b4f04a27e4785e0f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.004810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047121/manifest.json
observed 92fffd39379fffcfb2fb01b02e2964cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.984939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047121/publication.md
observed d5f542698e243ed27acd0aa2530f8c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.966769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047121/publication.txt
observed e7041fbf8300e090cd6763d31870690b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.294020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047121
observed 2751bfc584e8c8b4f04a27e4785e0f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.274732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047121/manifest.json
observed 92fffd39379fffcfb2fb01b02e2964cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.254531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047121/publication.md
observed d5f542698e243ed27acd0aa2530f8c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.234393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047121/publication.txt
observed e7041fbf8300e090cd6763d31870690b...
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.