OpenTechnical

OT-2026-000076512

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000076512) never changes.

Identity and time

Publication numberOT-2026-000076512 · never reused
Internal UUID01a0ae94-6a71-7144-923d-939ac2ab1843 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076512
StatusPUBLIC

Content hashes

Canonical textb2f02c44764037b959b88df8e82aa1e2a2b7483bef21c68a7d76bec1d92c048e
Markdownbc9e75835820f9be0d223a39973f7f11db0abb4dd9af95d1373314b37515a726
PDF
Publication pagefb9aea76c9819aba042c36d6455df23edc33a3203598862fe7dca0f6136c4bd6
Manifestd92dd07945597d553cfb684d2b95cd29752c07a302eb18c70d5c786cbb973a34

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
SignatureB6DNYk8/7g1CwcXOPJYhXKZVhu7bU4sfmrOrq0KT3mzBYIJLXuTiRMHwc+FJp6P+kU4VktPMTdcWKaPP5TJ4Aw==
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

2026-09-17T10:12:49.216617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076512
observed fb9aea76c9819aba042c36d6455df23e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:49.196809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076512/manifest.json
observed d92dd07945597d553cfb684d2b95cd29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:48.807909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076512/publication.md
observed bc9e75835820f9be0d223a39973f7f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:48.787037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076512/publication.txt
observed b2f02c44764037b959b88df8e82aa1e2...
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.