OpenTechnical

OT-2026-000023604

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000023604) never changes.

Identity and time

Publication numberOT-2026-000023604 · never reused
Internal UUID01a0ae70-ae5a-7f4d-9008-51a54f1222c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023604
StatusPUBLIC

Content hashes

Canonical textfd299a02009af9268cdfb7c4b91da70d515169b0392aaf20c9008d94d234d016
Markdown9bb491c15ce1655be016259af2163d881d2a086d5dd985684ab9beca2c628b74
PDF
Publication page2ae6a606c77ed6c0703470676debc8076f1212e7f963d7598f5102f318807ac0
Manifest83ab5893fb00ede61f41344d4b7a73fcc1857c86086ae3bc33392657fac3e9d2

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
SignatureVxGaSb5yjNMD7wWflEMRI4aAXIvwBq6pItfPu4q9PePUrxbnPu1k8r3D72c1JUEGImt9n9TkP8RCpLXoq1NECw==
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

2026-09-17T11:50:47.222892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023604
observed 2ae6a606c77ed6c0703470676debc807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.206859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023604/manifest.json
observed 83ab5893fb00ede61f41344d4b7a73fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.144772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023604/publication.md
observed 9bb491c15ce1655be016259af2163d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.077764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023604/publication.txt
observed fd299a02009af9268cdfb7c4b91da70d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:48.263587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023604
observed 2ae6a606c77ed6c0703470676debc807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:48.244990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023604/manifest.json
observed 83ab5893fb00ede61f41344d4b7a73fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:48.197635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023604/publication.md
observed 9bb491c15ce1655be016259af2163d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:48.155119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023604/publication.txt
observed fd299a02009af9268cdfb7c4b91da70d...
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.