OpenTechnical

OT-2026-000034835

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000034835) never changes.

Identity and time

Publication numberOT-2026-000034835 · never reused
Internal UUID01a0ae76-1ed3-7e5c-82c2-dc61be4bb977 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034835
StatusPUBLIC

Content hashes

Canonical text13c2c1db1fccfc6d27e10bcc37c144a3cffd70690143d2028fe672ea3600747f
Markdowne855cfb8802e81213410c3225690a2a719db85e34a43495f3e6fb988df0574c9
PDF
Publication page2439fc56ad13a35b4e388eeeab02465402f8337c6c79ce3cc6cbd74596a683aa
Manifest9863c92abee3a66af496d12fe1b15043ab14d29b0e67a44bfdcd5c29766c8d57

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
SignatureE+kUFu1zqHwdlnph3YZ+CfejMzlSSFF8Pr2P4KRjX3GK8fb3YPmntPwp4xsAmQW2bmRztA23aa56BLGmCSczAw==
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

2026-09-17T11:30:28.433367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034835
observed 2439fc56ad13a35b4e388eeeab024654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:28.412504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034835/manifest.json
observed 9863c92abee3a66af496d12fe1b15043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:28.391798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034835/publication.md
observed e855cfb8802e81213410c3225690a2a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:28.374702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034835/publication.txt
observed 13c2c1db1fccfc6d27e10bcc37c144a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:49.498583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034835
observed 2439fc56ad13a35b4e388eeeab024654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:49.481386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034835/manifest.json
observed 9863c92abee3a66af496d12fe1b15043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:49.465881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034835/publication.md
observed e855cfb8802e81213410c3225690a2a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:49.447631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034835/publication.txt
observed 13c2c1db1fccfc6d27e10bcc37c144a3...
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.