OpenTechnical

OT-2026-000018381

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000018381) never changes.

Identity and time

Publication numberOT-2026-000018381 · never reused
Internal UUID01a0ae6e-b489-7c5c-bfaa-3100522ded97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018381
StatusPUBLIC

Content hashes

Canonical textd9ae37f302095cd15c78a3c6c84b9d4ae1181cb489ee246af4f6b0a91b48c1f8
Markdown656c3dde11d5b20c6b5338c019ff29586ea8c8540f8ca6ed683984f7809d080d
PDF
Publication pagee05fe1774ba2ea752559a87e60fd06887ff4946573a6f3b0d845b10b8117c36f
Manifest575b76d05e867e1e578959093d587fc66c133bebe679f86e142047ffdfd7611b

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
SignaturedHJPmXjBluPEaY5BBo0R/JkN1IwEfO9I7XJcG+OD1bWrgj5OqYLH2iX4YHzHSvn/t4NxPgjjkXOlizvsnVcxDA==
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

2026-09-17T12:01:07.230405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018381
observed e05fe1774ba2ea752559a87e60fd0688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:07.213674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018381/manifest.json
observed 575b76d05e867e1e578959093d587fc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:07.196588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018381/publication.md
observed 656c3dde11d5b20c6b5338c019ff2958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:07.176841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018381/publication.txt
observed d9ae37f302095cd15c78a3c6c84b9d4a...
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.