OpenTechnical

OT-2026-000025119

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000025119) never changes.

Identity and time

Publication numberOT-2026-000025119 · never reused
Internal UUID01a0ae71-5fa5-768f-9bbe-31d51bc72787 · 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-2026-000025119
StatusPUBLIC

Content hashes

Canonical textcf558a67cd208ddf2f28d5f4b84980eb540c202cf2dbe9a641eda0dd9ec78551
Markdowndb5c392befca467e9eaf7daa5128099df7e8b4dcf151d365e21a8886b74075b0
PDF
Publication page826b4c79f13aff477d6f6b5bc4ccb13aabfff15786348b230530500120a1d35f
Manifest83e2fd3ae989a8e24fd2eeb904aa6550cb984821080a7d3dcb2f87a4289a7d2a

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
SignatureMKlI9Se7qE3hy0tfcFI6Os5RoMjHpHgIr1BLG3FfqQ3DxWhUK5j+IrwkBbQgaD1nPBEfOwKQNvqcD0tOsZ2/Cw==
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

2026-09-17T11:46:59.727054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025119
observed 826b4c79f13aff477d6f6b5bc4ccb13a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.709785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025119/manifest.json
observed 83e2fd3ae989a8e24fd2eeb904aa6550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.692607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025119/publication.md
observed db5c392befca467e9eaf7daa5128099d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.672760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025119/publication.txt
observed cf558a67cd208ddf2f28d5f4b84980eb...
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.