OpenTechnical

OT-2026-000029376

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000029376) never changes.

Identity and time

Publication numberOT-2026-000029376 · never reused
Internal UUID01a0ae73-5e20-76b1-a0be-c90fec266d71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029376
StatusPUBLIC

Content hashes

Canonical text7c9f8f66bcdd7655cf40f8ad680819fd403e7bee9704aa3c6a2f8b55c038424e
Markdown5a6c47d135799d2099d130603f48f73eeee15019a60a6f83d7eef4eca79838b0
PDF
Publication page77b0624d06ce76accb4f90ccd2492577a4a9aff639ba1f4ffbca85be72a01197
Manifestde4560f502bc067f220b2980f4c7948c510ecf41f4b8f3df89b4e840f494de61

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
SignatureemMw3HAOrYMlo/LLc7JGR8L7ytXBEfb+xH42zmhkP8gVKdaeLqW0cccud/wkSgL/q+Nxbpv1Ra1nZPVoyfPdAQ==
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

2026-09-17T11:38:56.413228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029376
observed 77b0624d06ce76accb4f90ccd2492577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.395392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029376/manifest.json
observed de4560f502bc067f220b2980f4c7948c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.375917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029376/publication.md
observed 5a6c47d135799d2099d130603f48f73e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.359071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029376/publication.txt
observed 7c9f8f66bcdd7655cf40f8ad680819fd...
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.