OpenTechnical

OT-2026-000033844

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000033844) never changes.

Identity and time

Publication numberOT-2026-000033844 · never reused
Internal UUID01a0ae75-a391-712f-b42d-7cc6ac9f1f03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033844
StatusPUBLIC

Content hashes

Canonical text0041271803861282e490320ca2de06257375fd223c351d7fdf7c148700c70ac7
Markdowne9b8c92305cec56cd3feb876f6627f6cb029ba3b5cef694b3694bc9df12bc505
PDF
Publication page43e0f4200b30c09f7ce190d2de6367d611198dd551d4d185eeabbd0f2a9c1f2a
Manifest27749349f7e9314eb797dd27257cc9e456499b2be4ce513b2f670b86f65c612e

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
Signature0xxGjXlA/OAf7hvak87ExpNHUyeWaSwTcHJW4Z8Ed8xXoSfbr0sRkOdhT+0owzcxidRaf3peshnIM+PL3D25Aw==
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

2026-09-17T11:31:54.094299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033844
observed 43e0f4200b30c09f7ce190d2de6367d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.077157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033844/manifest.json
observed 27749349f7e9314eb797dd27257cc9e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.056387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033844/publication.md
observed e9b8c92305cec56cd3feb876f6627f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.039320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033844/publication.txt
observed 0041271803861282e490320ca2de0625...
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.