OpenTechnical

OT-2026-000037107

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000037107) never changes.

Identity and time

Publication numberOT-2026-000037107 · never reused
Internal UUID01a0ae77-7740-7b32-a260-b50875ff2a8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037107
StatusPUBLIC

Content hashes

Canonical textf4826063fa8f2fd876c2ec509784fa556c43f40edd4ba917d9c4d893ea466928
Markdown82fe419ebbfb1fd12aeed6276ade8f36f979451965d6f8807f5be881d2b1c4b6
PDF
Publication page4c057cf4d9ba64723b31dde29def0645a78e874bd5b947665b3326d6f01a7c94
Manifestb861f5f947dba19b80b0a5ceb6c5c1ca0b1207bf9ebf2955d95da448e8c5771e

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
SignaturewVwou0tVxTniKJqQTYlx++gAibP2RtYaaqbBFYHTbcWA1JWeRR+sTmdgngv5oBba/Z3S8vKPdWaZw8kCx/yfDw==
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

2026-09-17T11:24:58.564540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037107
observed 4c057cf4d9ba64723b31dde29def0645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:58.550040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037107/manifest.json
observed b861f5f947dba19b80b0a5ceb6c5c1ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:58.510003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037107/publication.md
observed 82fe419ebbfb1fd12aeed6276ade8f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:58.456398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037107/publication.txt
observed f4826063fa8f2fd876c2ec509784fa55...
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.