OpenTechnical

OT-2026-000042483

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000042483) never changes.

Identity and time

Publication numberOT-2026-000042483 · never reused
Internal UUID01a0ae7a-c0cc-7ef1-9640-2134523f1710 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042483
StatusPUBLIC

Content hashes

Canonical text5ecd178966aa777c582262178025952cf953ac69e1792f717f3040d01c047ba3
Markdown75bfa57afb477b6c5357d4149ec697f64bdc35809b3f7d2827cc2a5ab5a30e05
PDF
Publication pagea6d7c935cbe08e83d658bf93b9c08d041145b3c49b2b7801c56ddab3d7ec861c
Manifest5893d5d44e97a65db15d7344aa31b1928080e487f3cfd6fb5aa7b0697104cebc

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
SignatureNhC+Ra8uE5lgBXtO+0KOTEM3etg5OWTc+ga1UjZabSW4z+8ozs2LEHYzU0sAJ00thAwD5fZBZYLZKMq5kuLiDA==
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

2026-09-17T11:14:03.203348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042483
observed a6d7c935cbe08e83d658bf93b9c08d04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.185100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042483/manifest.json
observed 5893d5d44e97a65db15d7344aa31b192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.165617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042483/publication.md
observed 75bfa57afb477b6c5357d4149ec697f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.143837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042483/publication.txt
observed 5ecd178966aa777c582262178025952c...
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.