OpenTechnical

OT-2026-000006671

Publication integrity record

Vacuum cup gripper, four outlet manifold, plant vacuum fed, pressure verified, vented before 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-2026-000006671) never changes.

Identity and time

Publication numberOT-2026-000006671 · never reused
Internal UUID01a0a963-6683-7650-b09f-2d019d279b35 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:18.949909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006671
StatusPUBLIC

Content hashes

Canonical text6e3ef0d3c3805a6ebbb697c3dc637345cb09c87e7c2f6f1047c5e43f148f1016
Markdown3adfbf32800545806ada0b77168c986e96f33ab54a9d33f084e3c903e85a4272
PDF
Publication page5e2f569f8652f9e0f9de64a214a615eb6a4f459ea91da2caf834951084edf83c
Manifeste86e3d6123259d63014a884d34f6130db3c396100f4f2ccb1b11c6d87c533bf5

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
Signature7jBuewBGllwIq64R0N5LZ/pvWh75nTpJlRI0qlMz77SFh90b3bc8lnTKDJt8PtOhW+4Jy0DNWoGEaVwL7c/CDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:18.992446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006671
observed 5e2f569f8652f9e0f9de64a214a615eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.978820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006671/manifest.json
observed e86e3d6123259d63014a884d34f6130d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.964283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006671/publication.md
observed 3adfbf32800545806ada0b77168c986e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.951060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006671/publication.txt
observed 6e3ef0d3c3805a6ebbb697c3dc637345...
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.