OpenTechnical

OT-2026-000098588

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line 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-2026-000098588) never changes.

Identity and time

Publication numberOT-2026-000098588 · never reused
Internal UUID01a0aea2-42ac-7784-a30f-ebe9c2d8b8cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098588
StatusPUBLIC

Content hashes

Canonical text0ed324e758eb52c844eb40df1305b114c50993b5fa726ee9761306a39ce0ced2
Markdown3c9e30a9dbab4ad59b339ac9769a59d8601ed0a96addc2aa461ef6545aa27022
PDF
Publication page84e3d1ecbd3f96b35b69a617e6d04431dc77557c1c0a7413a7dda4ef07cda78f
Manifest37300681a12e4a6bca77d187652a56fc3e62ad32f7a7b0a9290f1bd3085cfd1a

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
Signaturelwtn3FgDOKoNab4STpHwwk4+5fiTwXFOiL5IZJktvloyAdyvRyR3EKAz8Gc2f4QbkimbvTFj1fKv/oP8jComCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:51.340930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098588
observed 84e3d1ecbd3f96b35b69a617e6d04431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:51.324659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098588/manifest.json
observed 37300681a12e4a6bca77d187652a56fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:51.308227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098588/publication.md
observed 3c9e30a9dbab4ad59b339ac9769a59d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:51.289866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098588/publication.txt
observed 0ed324e758eb52c844eb40df1305b114...
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.