OpenTechnical

OT-2026-000089835

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089835) never changes.

Identity and time

Publication numberOT-2026-000089835 · never reused
Internal UUID01a0ae9c-428d-75c1-8fbf-44eb195a2eab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089835
StatusPUBLIC

Content hashes

Canonical text6d3f0aa3042a504940c08383a96cf10ade5964c7934276516892ccc73d05569c
Markdowna4d63119463109bc223f6a22021999d55a0fed003369d83521b7efbed0bb39d2
PDF
Publication pageae46b296f9415c5175a5be338e9a91aa70074fff29f717b0d55ba2bd50a34431
Manifeste63b5cd84023baa6d2ca13e8fae0ea0a00236056bad0e5d5e6e682ed3a8ee700

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
SignatureJSos2231Lcn46QX+3YUJEqmM24JUUiaD8SiJSb2logIXjeU2CDMpsv0sDoTEg1+YoR27/yNeG0ETe2vSITYuAw==
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

2026-09-17T09:45:04.544041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089835
observed ae46b296f9415c5175a5be338e9a91aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.527517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089835/manifest.json
observed e63b5cd84023baa6d2ca13e8fae0ea0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.512080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089835/publication.md
observed a4d63119463109bc223f6a22021999d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.495399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089835/publication.txt
observed 6d3f0aa3042a504940c08383a96cf10a...
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.