OpenTechnical

OT-2026-000045032

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000045032) never changes.

Identity and time

Publication numberOT-2026-000045032 · never reused
Internal UUID01a0ae7c-f767-7ae4-9748-a3d284af9142 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045032
StatusPUBLIC

Content hashes

Canonical text83cd954bb73b776b7dea5cdc8dbca79b4b34b500ba048f8cb9bbad6eea21aca3
Markdown5c59b0bc4d04f71187b9057d7010ff3b46ed348b8708450dac10e12d6cb4a75e
PDF
Publication page65d2528918ce10f2bb939b5aa314bdf34eb1d4b5178e0368256e2e30b0e665c9
Manifest4a750f56b24419d8efd84e804dda9616ddac8e3034bd5e74144e5600d78611c0

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
SignatureeYf/Q6j53gw1elVi54xSyr+85hLtS+j63PQMAGsqeopy4ClgzRqfW6HuwvUcZYG57HLQUzq3IF0RHav42ZMMAQ==
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

2026-09-17T11:10:02.838594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045032
observed 65d2528918ce10f2bb939b5aa314bdf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.820534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045032/manifest.json
observed 4a750f56b24419d8efd84e804dda9616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.801526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045032/publication.md
observed 5c59b0bc4d04f71187b9057d7010ff3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.782380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045032/publication.txt
observed 83cd954bb73b776b7dea5cdc8dbca79b...
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.