OpenTechnical

OT-2026-000086166

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000086166) never changes.

Identity and time

Publication numberOT-2026-000086166 · never reused
Internal UUID01a0ae99-e82c-7710-8acc-fe04a0b0e5a9 · 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-2026-000086166
StatusPUBLIC

Content hashes

Canonical text27587479aaf041825f837df60eaa8b92212fd1ae7bdcdab2d04e139defbac1bb
Markdownca61f5b84ff5613dd294694d6f0ed0ca41ccc8cc4c1d96555428c3d80bd7054b
PDF
Publication page3861e35219fa50f227fe9e386e52e7414b3af8a0f41ecf16eb46bc6efbc0f2de
Manifeste04c4d946ab510e16ccf6f56ac6833cd90316fe4f8b676005dcddba2fad8f409

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
SignatureE26xjvThslJgey8jnh/Aew8vfCjwDR8NLxML6qu+r4bPq+ZM1NPuBBScc/i/bEzkXVLYx6qIHqp64ygGobN8CA==
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

2026-09-17T09:53:50.409902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086166
observed 3861e35219fa50f227fe9e386e52e741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.392862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086166/manifest.json
observed e04c4d946ab510e16ccf6f56ac6833cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.375265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086166/publication.md
observed ca61f5b84ff5613dd294694d6f0ed0ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.356397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086166/publication.txt
observed 27587479aaf041825f837df60eaa8b92...
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.