OpenTechnical

OT-2026-000026057

Publication integrity record

Three cup vacuum gripper, three 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-2026-000026057) never changes.

Identity and time

Publication numberOT-2026-000026057 · never reused
Internal UUID01a0ae71-a840-7c3d-b1c3-fed93de30540 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026057
StatusPUBLIC

Content hashes

Canonical text272a7753940bb60fe477f7ef255d79594a2bf0eaed2910bba43abd146b687693
Markdown70e8cb35e245506d982d8f881e157a8058e61abfb3684ced357b54fa07075dbd
PDF
Publication pagec44115e28f0b8c13fbacdadeb4f5ccfd1e5e696c01b629c7ed9698624c67da0a
Manifest1c3cc710f2f2be1560f20a046b0c67b88b8ace542cea117ae8d87fc5672119e0

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
SignaturegQzXz1w7gVPLs4Oxk4wcDPpsy4AjFwqrWIFC17NBk14C1+jNKjT5mL5jvY4D35/R60vjFVFrFs6CTCYtZtxiDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:32.792581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026057
observed c44115e28f0b8c13fbacdadeb4f5ccfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:32.769818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026057/manifest.json
observed 1c3cc710f2f2be1560f20a046b0c67b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:32.747753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026057/publication.md
observed 70e8cb35e245506d982d8f881e157a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:32.729524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026057/publication.txt
observed 272a7753940bb60fe477f7ef255d7959...
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.