OpenTechnical

OT-2026-000071289

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, 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-2026-000071289) never changes.

Identity and time

Publication numberOT-2026-000071289 · never reused
Internal UUID01a0ae91-e0ec-7177-8fa2-72bf2ed3db38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071289
StatusPUBLIC

Content hashes

Canonical textd80e5e834184671b2813ed0e07c95083afeac3d994171deb6980ce6cbbd68cd2
Markdown4045de9e7a265fe766cc1724b6718cf2eeb90920dc5d21359e51c3fcfdc79c0b
PDF
Publication page8f231097a5089ef2f4dca059b9e3ea0e5eba993519fa8e165079cb8bc0385399
Manifest9676a3081f0375910a3fb57069f86d680ae5674fcb1ef46e4732d93e665feeed

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
SignaturezuZF3ubiOMN/DeIoIwwDopB3xz2kplkMR/8ahKOpXXDHTNTO8lRvmee8oO2HzdIIYE7IX1wg4QwpPxP96VsIBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:44.305211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071289
observed 8f231097a5089ef2f4dca059b9e3ea0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.288382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071289/manifest.json
observed 9676a3081f0375910a3fb57069f86d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.272457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071289/publication.md
observed 4045de9e7a265fe766cc1724b6718cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.255050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071289/publication.txt
observed d80e5e834184671b2813ed0e07c95083...
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.