OpenTechnical

OT-2026-000099814

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099814) never changes.

Identity and time

Publication numberOT-2026-000099814 · never reused
Internal UUID01a0aea2-c978-766f-b7e5-307ba4631fc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099814
StatusPUBLIC

Content hashes

Canonical text1638a21b96cd08acd8dbf5d84acf6caaa34856d73fc57767ecf005f5936d1d83
Markdown6670c27f6ffddc65eddbabb6e423f472ffa022be3984d85120c602ad5399b8ed
PDF
Publication page6179b516907701fa3e67f7ddc4a044badb8bdea4421f437ca27d4e649f5ddecb
Manifest4aa3eacf1ef8be8cd793c542787ee849e606e50f9ce4e94a192ed028baf55501

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
SignaturedVZPDqm66qJiYFOShuzrY+c1EecYo4TTleVAhep/VQu0ArD+VcmBW5iaw0RdvRJbSaHCxhjnWNf4xBashaf+BA==
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

2026-09-17T09:29:51.230006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099814
observed 6179b516907701fa3e67f7ddc4a044ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.212412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099814/manifest.json
observed 4aa3eacf1ef8be8cd793c542787ee849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.194297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099814/publication.md
observed 6670c27f6ffddc65eddbabb6e423f472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.177647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099814/publication.txt
observed 1638a21b96cd08acd8dbf5d84acf6caa...
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.