OpenTechnical

OT-2026-000013164

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013164) never changes.

Identity and time

Publication numberOT-2026-000013164 · never reused
Internal UUID01a0ae6d-6fc8-764e-ae0a-970be0444d44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013164
StatusPUBLIC

Content hashes

Canonical textc180c935e5985c6bbeb65bdfd0b51a8532648176265126883972d9409b7c9099
Markdown75af5de2e5979c5e3dff15070de48cbf49b3305e2174c06277f677aa31a9ec8c
PDF
Publication page86fec76286cd53d6bf55891010c91ad5cde64faf373e849b39bd78aa8fc81a60
Manifest32ec4b06675ec1310632d20f6b1ac92c4a944dc513dfc341af8e4a61a1707673

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
SignatureQVvMIwNnqKK9MrRp5SdpD0I4jrlMKh/gppk8CWMVI2IQd/ATCOkd1eWfWd+069bufogM7QwQqTuXsV2fdoLGCQ==
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

2026-09-17T12:09:32.228024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013164
observed 86fec76286cd53d6bf55891010c91ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:32.207190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013164/manifest.json
observed 32ec4b06675ec1310632d20f6b1ac92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:32.186452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013164/publication.md
observed 75af5de2e5979c5e3dff15070de48cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:32.167364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013164/publication.txt
observed c180c935e5985c6bbeb65bdfd0b51a85...
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.