OpenTechnical

OT-2026-000085906

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000085906) never changes.

Identity and time

Publication numberOT-2026-000085906 · never reused
Internal UUID01a0ae99-e82a-7cc1-9ee1-f3954e6173f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085906
StatusPUBLIC

Content hashes

Canonical text788f89f3b0da772645f39eefced0ff38e88ffa56c3c646f6111f176be5620cd4
Markdown880f05c52982c8a3a316baf5a54194759782c9e4f4ae512f51327710ccedb757
PDF
Publication page165e767af9c5a3c3a2954677289aae877900e364b551295a6329331e14d02d38
Manifest41c72620b02d70be8b006807386862589dca12a0317d76e6cebcf0f0a8477246

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
SignatureRZvANkOgKDvuFf/7JSvZXrdec1mpAqolEyVC1Rjg7zK9llfj3F6UCsTwkkkdi+0CBn7djdLkuRPGPG+62elRBw==
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

2026-09-17T09:52:51.098833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085906
observed 165e767af9c5a3c3a2954677289aae87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.081357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085906/manifest.json
observed 41c72620b02d70be8b00680738686258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.063393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085906/publication.md
observed 880f05c52982c8a3a316baf5a5419475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.046176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085906/publication.txt
observed 788f89f3b0da772645f39eefced0ff38...
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.