OpenTechnical

OT-2026-000046898

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000046898) never changes.

Identity and time

Publication numberOT-2026-000046898 · never reused
Internal UUID01a0ae7e-d0f5-7706-ba93-d0af9a075c8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046898
StatusPUBLIC

Content hashes

Canonical text8a0c0529937919d3557841cb87b405dc4b25e4be200078f44b08a4c666c0d304
Markdown6023b2a6715b5e2689140d6f80b6b1e176fe86800969a44e3265244ba7b7bd77
PDF
Publication page4d8984073518399e331e98bd49d865fe956ec1bd37ff5d76dc3398cca9cf000e
Manifest6a98da8b8cde45143b4c0529e8bccb2ca1b049cdbbfb7aa9e004b71e918bab77

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
SignaturehjWp/P9WV/wu6Fd4/wpdKpxjJfyzo7YZRLTxWh+NBlkxm32wzVLjOK4v1y/FfVVAymBiL4yn5/05zuexn1KCDA==
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

2026-09-17T11:07:00.819984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046898
observed 4d8984073518399e331e98bd49d865fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:00.802276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046898/manifest.json
observed 6a98da8b8cde45143b4c0529e8bccb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:00.784057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046898/publication.md
observed 6023b2a6715b5e2689140d6f80b6b1e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:00.764988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046898/publication.txt
observed 8a0c0529937919d3557841cb87b405dc...
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.