OpenTechnical

OT-2026-000012910

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000012910) never changes.

Identity and time

Publication numberOT-2026-000012910 · never reused
Internal UUID01a0ae6d-5563-7dcd-a764-c1cbcd216634 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012910
StatusPUBLIC

Content hashes

Canonical text0004d9010f6cc491cd2aa46e56e4b3ffc85801ebccbad6bc7926091aee095568
Markdown571767612cbe3d322c99fc6267c399e5d32603197a7b59ba96ce3a187104bf75
PDF
Publication page662b95e24cd1fbb4d4522fb54971494450bbc5619ad9a98d82208f8b45d9a802
Manifestac58bb239c86adc7e19974538a68430afd72fef1a8a52c32d4027e3e9681f7db

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
SignaturefmGpT2kEXhd9hX8TVr1sPo0sP1G9s/dCJadnp4zAIB39RDNU5DXxPF9ya7yR08/BWulRsXC7fsn6JrA2ohwkAA==
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

2026-09-17T12:10:42.130230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012910
observed 662b95e24cd1fbb4d4522fb549714944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:42.111320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012910/manifest.json
observed ac58bb239c86adc7e19974538a68430a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:42.090884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012910/publication.md
observed 571767612cbe3d322c99fc6267c399e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:42.073617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012910/publication.txt
observed 0004d9010f6cc491cd2aa46e56e4b3ff...
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.