OpenTechnical

OT-2026-000029301

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000029301) never changes.

Identity and time

Publication numberOT-2026-000029301 · never reused
Internal UUID01a0ae73-2aa1-7b9f-b2a8-8fe2bd39e0ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029301
StatusPUBLIC

Content hashes

Canonical text272087926f31f1c78696d2a96bf40e4f7cd2111bbb7c4f79b0f83079d28746ee
Markdown0643d27b2f02e8c96e3afb4be5e318d31388eebd9e341a05515f648059fa4279
PDF
Publication page3d357eb84603e8a3d49153156e174a6e459ca88d04bb7382f7a6eb0a2af58460
Manifest55decb52e287d1118c5f8a824813e0b4abfd9864c899c0551d4c8bc72a3897fe

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
SignaturexrBWz+AzRkgxGHlEma9B9aAMlrL0QbgUETiwmircvPNcUYgyradJhakvXAOyubuXcq/mjjkB0B9nOQV59lJmAw==
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

2026-09-17T11:39:56.384961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029301
observed 3d357eb84603e8a3d49153156e174a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.365839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029301/manifest.json
observed 55decb52e287d1118c5f8a824813e0b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.349670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029301/publication.md
observed 0643d27b2f02e8c96e3afb4be5e318d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.331560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029301/publication.txt
observed 272087926f31f1c78696d2a96bf40e4f...
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.