OpenTechnical

OT-2026-000026596

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000026596) never changes.

Identity and time

Publication numberOT-2026-000026596 · never reused
Internal UUID01a0ae71-f4a9-718e-9c2f-6096b7e0e118 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026596
StatusPUBLIC

Content hashes

Canonical textcb6a8dde14306e8702a639148d44cc2f01befb51964dbc92473f11ea727be885
Markdownb4031d81e0feed37be397fced999060c4d1c7e7fa6850d3a035bb5bfe8ea06ad
PDF
Publication page3b8d04ceb5aaeeb1867b5a7af4cf1dc6b0096ea227676ea71474a9d708b9b9d1
Manifest27d8513bf8ed503b5a00c9ca1d9019cd9dc9bf9fddc2dd8c4401a91b43e5a5e7

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
SignaturenOYAz/bjZ22zZPNL1Jpp+/Wi0oqBMzBi3TnLk/2Wq3/QhpBwgLSMDC7XX06x/zMo2Uh/F7D9mLG5kqkI60KjDQ==
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

2026-09-17T11:45:39.962816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026596
observed 3b8d04ceb5aaeeb1867b5a7af4cf1dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:39.934989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026596/manifest.json
observed 27d8513bf8ed503b5a00c9ca1d9019cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:39.885317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026596/publication.md
observed b4031d81e0feed37be397fced999060c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:39.861599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026596/publication.txt
observed cb6a8dde14306e8702a639148d44cc2f...
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.