OpenTechnical

OT-2026-000058252

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off after 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-2026-000058252) never changes.

Identity and time

Publication numberOT-2026-000058252 · never reused
Internal UUID01a0ae88-f397-7292-8e1e-017aef66adec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058252
StatusPUBLIC

Content hashes

Canonical textc40c2674758f6537185b5790446dea26c922ff5084444ebc9d0b378bc0c81a1c
Markdownaacb3374d21a173869006e2c540aee026f9b25fd9fa93a43bf3ea7c11e92fe53
PDF
Publication page90b7ebc36f2bc262b5cde4426be2e0759cb4300e6a223e148d6a019dc52fd968
Manifestaf21f6bf033bc414eb6e75fc38850b9c8e74facda95d9809d7b79d41cb479c70

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
SignatureWVErlZa7Nj7GrwZlMUJB9s9OIPJMLLyYCcpnUe98GwBm8P0bUNkoGouDm/U/+yjL1XKq1KOgpD9IwsVtXdZIAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:38.023518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058252
observed 90b7ebc36f2bc262b5cde4426be2e075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.005909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058252/manifest.json
observed af21f6bf033bc414eb6e75fc38850b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:37.988889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058252/publication.md
observed aacb3374d21a173869006e2c540aee02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:37.971388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058252/publication.txt
observed c40c2674758f6537185b5790446dea26...
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.