OpenTechnical

OT-2026-000025504

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000025504) never changes.

Identity and time

Publication numberOT-2026-000025504 · never reused
Internal UUID01a0ae71-5fa8-74fc-a1b8-c350129c0b4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025504
StatusPUBLIC

Content hashes

Canonical text28fa37275bdc99064a1c88d671378eff0b40960fe325d55da77e5e1469ad6e40
Markdown4781f32a1ef3dd747ac9a7d3fb72c4f55a488d4e26e17715dc07aba4f72d7b1a
PDF
Publication page8e31f3ef9bfd855ab70904a73ab26e8d27717a03348422f358f0cbf67d79f9ea
Manifest1b62c2f7cb84a8e203da3ac800cfb27bf3f291068879c44ac71775e0c6ee52a9

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
SignatureIr1M3+Fny036XDP7TKU5Htkj8++R0gZtITAHYw/G8xlT+zQS8BfE70PviIbuliVAOAX2J6Lx5ZU0xulDflfZAA==
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

2026-09-17T11:47:36.153528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025504
observed 8e31f3ef9bfd855ab70904a73ab26e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:36.136555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025504/manifest.json
observed 1b62c2f7cb84a8e203da3ac800cfb27b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:36.117969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025504/publication.md
observed 4781f32a1ef3dd747ac9a7d3fb72c4f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:36.100557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025504/publication.txt
observed 28fa37275bdc99064a1c88d671378eff...
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.