OpenTechnical

OT-2026-000042165

Publication integrity record

Six cup vacuum gripper, six 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-2026-000042165) never changes.

Identity and time

Publication numberOT-2026-000042165 · never reused
Internal UUID01a0ae7a-5d71-75ad-be46-ac9bf0bcefe5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042165
StatusPUBLIC

Content hashes

Canonical text4bad81246934e6bb920d1c65c9fb47e5e18871192e9a6508c0bb38f230839db0
Markdown78ee38a665ec7bf43e6036ceebfa90b722c09e7ecaa23ac822160ecd625c11e8
PDF
Publication page83c36d4b3dbc929fb3e72bc01edceca0d45771ffd34ba6025d7077b021eb47dd
Manifest59e9528136cccd88876a5adb80678d12aef10d70a8242b4ec530574ae5431d84

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
SignatureXmhsq6Uj2EMg1IECmMtc3th0SegjT3pXPENRRgmKYHsvhA97qqv9nEQPA8w3tFF1ginhvjT8rz1OrL5+DfG6CQ==
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

2026-09-17T11:15:48.880447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042165
observed 83c36d4b3dbc929fb3e72bc01edceca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:48.860663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042165/manifest.json
observed 59e9528136cccd88876a5adb80678d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:48.840943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042165/publication.md
observed 78ee38a665ec7bf43e6036ceebfa90b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:48.821982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042165/publication.txt
observed 4bad81246934e6bb920d1c65c9fb47e5...
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.