OpenTechnical

OT-2026-000057835

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000057835) never changes.

Identity and time

Publication numberOT-2026-000057835 · never reused
Internal UUID01a0ae88-6ed8-7f5a-83d3-c9ce00f97939 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057835
StatusPUBLIC

Content hashes

Canonical textc888cb417a6e359ef759e482d2c5d8ba4887c461f6b9d5a60bdc65c9ff70c849
Markdowne97ca4e9816c6127b3c3094ef20843228cc816150434609f2dbfa5569c731ed8
PDF
Publication pagee5c689b459a26439d178eb11530979c992457b54dcc8abdbcbbc0f42de0c0f9f
Manifest146bbcc4da90961f328db9ad4b0876087814301e3deafaf2b3ae5468b424ae34

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
Signature8Ul80/YyuI91OCc+ElW3m8peRka76zJeAofZk69w4Jks0S+1sW74nkVTcrKWEKojDOJCH3XFTAfAYAfGpytmBg==
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

2026-09-17T10:47:24.645295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057835
observed e5c689b459a26439d178eb11530979c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.627195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057835/manifest.json
observed 146bbcc4da90961f328db9ad4b087608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.608054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057835/publication.md
observed e97ca4e9816c6127b3c3094ef2084322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.590805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057835/publication.txt
observed c888cb417a6e359ef759e482d2c5d8ba...
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.