OpenTechnical

OT-2026-000040178

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000040178) never changes.

Identity and time

Publication numberOT-2026-000040178 · never reused
Internal UUID01a0ae79-26ff-753d-b75d-23887f4d421a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040178
StatusPUBLIC

Content hashes

Canonical text4f5bbb3d71ad2ef3d3de180de0aea522fc8ded49e5ca0b0fecc45bcd927f9761
Markdownd1d133f74cc6ec55c48cd1ac2bd66b7c6c890e0083c8014de1d0fab7b94df54f
PDF
Publication page81cc83a6b5c47926e059c5af79efa37fa93fbd49fb510f710a887657e14ee115
Manifestb8efb0420665b9f4981b02fa52e558e7c3df4fe8db65c347597a0e72bb4fc3d1

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
SignaturebRiTHmxboU6rE5efpjlaRQGq/StGWr87QY5sMexaESO2proSbF/0JJPaE/Oe/g8+qgw2DLjfKdya0rVeFDHgAA==
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

2026-09-17T11:19:03.441659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040178
observed 81cc83a6b5c47926e059c5af79efa37f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.424903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040178/manifest.json
observed b8efb0420665b9f4981b02fa52e558e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.407900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040178/publication.md
observed d1d133f74cc6ec55c48cd1ac2bd66b7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.390995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040178/publication.txt
observed 4f5bbb3d71ad2ef3d3de180de0aea522...
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.