OpenTechnical

OT-2026-000058643

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000058643) never changes.

Identity and time

Publication numberOT-2026-000058643 · never reused
Internal UUID01a0ae88-f39d-7fa1-ab62-59fbd7962bb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058643
StatusPUBLIC

Content hashes

Canonical textfe01a4f8d0c44c4a2869722b9e0a7014eaed46ba71ac5350c7d6676f3740ecc3
Markdownf0bdf23fc8a272d67179477ff2f12f1913ec420632653048c782ba107951d5b2
PDF
Publication page1f8ccd6edb2a6a28220de7ba53a861aae07da5cf6759be07b313cb71ae5e1f01
Manifest1ef89ba1422c90dbc02cafb66d6af1dffebd46560c814b62ba74be17a9a2ea9a

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
SignatureMfpMDjpGZhblWHf/fCa600KCRjoNV2D7SF2cJAl/s6OyDO7mjpO6m4OIBCXI1EcStYkuwaiQkTGqZFdHfxeECA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:09.293298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058643
observed 1f8ccd6edb2a6a28220de7ba53a861aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.271471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058643/manifest.json
observed 1ef89ba1422c90dbc02cafb66d6af1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.252584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058643/publication.md
observed f0bdf23fc8a272d67179477ff2f12f19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.230953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058643/publication.txt
observed fe01a4f8d0c44c4a2869722b9e0a7014...
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.