OpenTechnical

OT-2026-000033558

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, pulsed 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-2026-000033558) never changes.

Identity and time

Publication numberOT-2026-000033558 · never reused
Internal UUID01a0ae75-a38e-74ef-85ad-b47108db7275 · 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-2026-000033558
StatusPUBLIC

Content hashes

Canonical textab216dac885baf4f4000b8ceed222e9a9616efd9a69639e65def377ca394ffe6
Markdown41f5213ff8a67a1dc4f0a44d2f181c3e42b91ba5698a54124f5ef4bf6649d246
PDF
Publication page5f954f45733e065b04bd67575908fa4f3da32ed9e1d8b3db59d48b86d47dfabc
Manifest0c06ac4e1768c00ea2a49e9b6c99322724792c967aa061105cea296094c1e66b

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
SignaturehMOblnh5pfuZhYXuTymLNvjQ4XvnUnqSlHk5/y0OvyVfTunWOC2Dg1i8sv/mh+gj1K7KsZjyTXidEDOC2D1xAQ==
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

2026-09-17T11:31:25.515548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033558
observed 5f954f45733e065b04bd67575908fa4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.498477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033558/manifest.json
observed 0c06ac4e1768c00ea2a49e9b6c993227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.479981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033558/publication.md
observed 41f5213ff8a67a1dc4f0a44d2f181c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.462396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033558/publication.txt
observed ab216dac885baf4f4000b8ceed222e9a...
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.