OpenTechnical

OT-2026-000085524

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000085524) never changes.

Identity and time

Publication numberOT-2026-000085524 · never reused
Internal UUID01a0ae99-aaac-76b8-9221-9bcce88c7964 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085524
StatusPUBLIC

Content hashes

Canonical textd08b74dbbf2c9f43ebc32527caf034bf6502a43220d38f4f5d2e625751c6a7b2
Markdownfd3c8713e50570378318eee87b55755e97ec8780abe11bf51d5580a712410a2d
PDF
Publication page85640ccc57292be18caa5be3c5fe06a47ed8602639058e6ece92973fcb9b8228
Manifest32738bd0d7592fe7b4cd98c93983c8770f4712fbd3fc1a9afc9ddc4a63a926fa

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
Signaturemsgx9R6JrnpUjqD4j7tkWvqF2db23FicCj8gnf1ny4YyoFD29kz+/gtdbugEy0zUTOkMusbhwrkASW58PynEBA==
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

2026-09-17T09:54:20.382062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085524
observed 85640ccc57292be18caa5be3c5fe06a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.366255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085524/manifest.json
observed 32738bd0d7592fe7b4cd98c93983c877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.348763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085524/publication.md
observed fd3c8713e50570378318eee87b55755e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.332168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085524/publication.txt
observed d08b74dbbf2c9f43ebc32527caf034bf...
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.