OpenTechnical

OT-2026-000091429

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091429) never changes.

Identity and time

Publication numberOT-2026-000091429 · never reused
Internal UUID01a0ae9c-f16d-78b9-96e2-3781b0bcf396 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091429
StatusPUBLIC

Content hashes

Canonical text2ce5bc840a79b6ab3c391aa2034971fbe8e4adb0364290dd42a0ddf470c27efb
Markdown5204e900e5c24b9990e4bcf8e1897f5f731e042ab73b7629f3e44182dda3315a
PDF
Publication page0c8e667f55662784ac007a7743ae4d0adf10653270d0774975b656b49fcbc657
Manifest60345c8be87870d1f1218245d94b627b533ed0ff537cfba99a75fcb309afa2b2

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
SignatureScWUTOYT5qSV10tqhGYi0K3PfPIVbVEOxCa2AFpq7EPJ7XTLdbdQLtKk8+pIxYXwi7LjOuv/Z780HHDgy9CEDQ==
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

2026-09-17T09:43:40.157180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091429
observed 0c8e667f55662784ac007a7743ae4d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.062829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091429/manifest.json
observed 60345c8be87870d1f1218245d94b627b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.044788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091429/publication.md
observed 5204e900e5c24b9990e4bcf8e1897f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.028868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091429/publication.txt
observed 2ce5bc840a79b6ab3c391aa2034971fb...
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.