OpenTechnical

OT-2026-000015516

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000015516) never changes.

Identity and time

Publication numberOT-2026-000015516 · never reused
Internal UUID01a0ae6d-ef4a-760a-80b1-e5c79cc0017e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015516
StatusPUBLIC

Content hashes

Canonical text9bcd52b7841992cf4c683a21266a6a24dd54098cb37f0237ac76ed786a89c0d7
Markdown98fa59d9973154a5776a29bd023bb41fe518d65850c4b72d6bb26eb957738177
PDF
Publication pagee5170b6ae2617ced97a5e5141c086a90439b1f6e585fdd35e0705de55f487e2e
Manifesta8935e0a5c941cec9e887f14cb61b16b5bc1398084ac7af5723fc1748791891a

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
SignatureMBj4Zy1jFGK2M0LjRLr3NmCDUuyNDMR/F9khkA7HwnLm0QENw3Tum1bap4WnnriCkn7kx96ohlTSbMi2l+NCAg==
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

2026-09-17T12:06:17.425835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015516
observed e5170b6ae2617ced97a5e5141c086a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:17.407299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015516/manifest.json
observed a8935e0a5c941cec9e887f14cb61b16b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:17.388647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015516/publication.md
observed 98fa59d9973154a5776a29bd023bb41f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:17.367573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015516/publication.txt
observed 9bcd52b7841992cf4c683a21266a6a24...
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.