OpenTechnical

OT-2026-000050155

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000050155) never changes.

Identity and time

Publication numberOT-2026-000050155 · never reused
Internal UUID01a0ae82-5c45-7c49-8ec9-8d1613a0e927 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050155
StatusPUBLIC

Content hashes

Canonical textd76ed2d4d58a8dce4bd6d5ecfd795eec41b0c2f0fc8ac6a4d12490a9997f4640
Markdown8c067f4926bd43415609e72423846b09bbc56cd1f7555e19d3c4b4a156e7829d
PDF
Publication pagee59075e524a1c8256bcf31edbb3b085df15e46aae1124bb6f85387e01a7d55ca
Manifest4d6974ec206760dc1a2c75a57ab78162a4717b55efcecd8c95d75854d49790cb

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
Signature9qE6SBoMm+0jrwCWZcIhU4pbPT+8f2a1JxBe291KkXhGQDtYPSM64UuqfRxNE6gZlyZ9wY0Esfam3OeVt7IoDA==
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

2026-09-17T11:01:07.757934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050155
observed e59075e524a1c8256bcf31edbb3b085d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.739959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050155/manifest.json
observed 4d6974ec206760dc1a2c75a57ab78162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.721248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050155/publication.md
observed 8c067f4926bd43415609e72423846b09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.703671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050155/publication.txt
observed d76ed2d4d58a8dce4bd6d5ecfd795eec...
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.