OpenTechnical

OT-2026-000092409

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000092409) never changes.

Identity and time

Publication numberOT-2026-000092409 · never reused
Internal UUID01a0ae9d-b5fc-7593-aac0-5d612f1ef817 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092409
StatusPUBLIC

Content hashes

Canonical text22c2e58df73fa789fe106ac7650a01301a8ee0c7d32f653f2ba468add2e63bde
Markdown5318d5e918a67f511c691daf2a199ba322ba6f39fd960c0e2fa843ed6949935e
PDF
Publication page2b7a5c56ab2349fd63bcc56b01a3b1ccc141a6ed6ae56b55c81a3f59dbb2dea4
Manifestb1b6ac7929d0945915bc30554d30173866a5abacbd41419212fd05ee8e377e48

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
SignatureALw1QQxwTtrZh7n95wGExQDeLoDFVwHQbVwwfcyNkgboHSo4OU50zcUwJWk5NaoEQkl7qmkTPv/sIG5YOjBdAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:57.565481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092409
observed 2b7a5c56ab2349fd63bcc56b01a3b1cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:57.547632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092409/manifest.json
observed b1b6ac7929d0945915bc30554d301738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:57.529140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092409/publication.md
observed 5318d5e918a67f511c691daf2a199ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:57.510624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092409/publication.txt
observed 22c2e58df73fa789fe106ac7650a0130...
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.