OpenTechnical

OT-2026-000103653

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000103653) never changes.

Identity and time

Publication numberOT-2026-000103653 · never reused
Internal UUID01a0aea4-e462-709e-a908-6c176e7d9448 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103653
StatusPUBLIC

Content hashes

Canonical text7901d5178089e97adb532c93dc30227e48b0cb86cdcb61aee7c4cbbd6cc55059
Markdown68c51eaadd95e954fbb25e1c0ef268137713c7b9202b8588a7c47490628750e9
PDF
Publication page38de4d6d13219f46e20a12f56e526514721afd39685923914ab14498898c9316
Manifest4129629888fd662d0b752994db322d2cbba9d9a50cacbb08024c2877fd76ba11

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
SignaturelymBVlqGpXesqLxgLTXHvmJ4L6Ozix/t1UaoqJmdIGjiW4gg7EkMpFeozbHUrmUWdj387wOqvfLXLCyVtY9cAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:27.146380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103653
observed 38de4d6d13219f46e20a12f56e526514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.130323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103653/manifest.json
observed 4129629888fd662d0b752994db322d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.111860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103653/publication.md
observed 68c51eaadd95e954fbb25e1c0ef26813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.094892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103653/publication.txt
observed 7901d5178089e97adb532c93dc30227e...
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.