OpenTechnical

OT-2026-000044297

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000044297) never changes.

Identity and time

Publication numberOT-2026-000044297 · never reused
Internal UUID01a0ae7c-39d6-7a51-b06e-8d2ff49e336f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044297
StatusPUBLIC

Content hashes

Canonical text4230e35ce7941f8ebdd9dae7b94caf8a710b6976a2d9a8c33c4e21bb8dd80577
Markdownbcbae29c03396d057ecd21d2863fc8a86839dc66799c32c046c33ca06348d11c
PDF
Publication page72e4fc9b306727ee5a1a794b255c825271c2c9f8508fc2783eb5af3384d4ffd9
Manifest84925795f4baeae98eaa4cb77ec896a4a87f7755afb69890e377a7f1b1674376

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
SignaturewliJxdBxD/prsd8+mTQVcB3b93zyigk/pjXfhkCaaxiM1UiE9LBLYS+h5MBJnahMAgaeqFFled4oxjSdzFTOBQ==
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

2026-09-17T08:30:15.025554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044297
observed 72e4fc9b306727ee5a1a794b255c8252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:15.007459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044297/manifest.json
observed 84925795f4baeae98eaa4cb77ec896a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:14.986978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044297/publication.md
observed bcbae29c03396d057ecd21d2863fc8a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:14.968531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044297/publication.txt
observed 4230e35ce7941f8ebdd9dae7b94caf8a...
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.