OpenTechnical

OT-2026-000034843

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000034843) never changes.

Identity and time

Publication numberOT-2026-000034843 · never reused
Internal UUID01a0ae76-1ed3-77ed-8cab-c0382e284fa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034843
StatusPUBLIC

Content hashes

Canonical text6472d9bfe3d6bef35e8572f7ddd8acdd0fc88c7faec5d1a9a0a2ab03c20e8d28
Markdown7710cab85adf0666e7d713ce3d96e553e4e3cd02c3c57fd8106b12c9ba00f56e
PDF
Publication page7159dd43b8211a2eb933b1e2c2caab6b3725905e0533beb734f704197d89c5a0
Manifest96dfe2fca307896e88d56f7050229150fe293e4bda79468f36a48628e0501915

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
SignatureHxwWF/PU5QZP7EF3i3h7UvVtX8JMqgIIpiK0PZZbmSn/lzKPirZ7B9Qr45nRZSHTJtWUFLTSoQXl8MSv7aIMCg==
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

2026-09-17T11:30:29.100621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034843
observed 7159dd43b8211a2eb933b1e2c2caab6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.079280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034843/manifest.json
observed 96dfe2fca307896e88d56f7050229150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.061331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034843/publication.md
observed 7710cab85adf0666e7d713ce3d96e553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.038577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034843/publication.txt
observed 6472d9bfe3d6bef35e8572f7ddd8acdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:50.108058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034843
observed 7159dd43b8211a2eb933b1e2c2caab6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:50.085774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034843/manifest.json
observed 96dfe2fca307896e88d56f7050229150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:50.066727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034843/publication.md
observed 7710cab85adf0666e7d713ce3d96e553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:50.049533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034843/publication.txt
observed 6472d9bfe3d6bef35e8572f7ddd8acdd...
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.