OpenTechnical

OT-2026-000030788

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000030788) never changes.

Identity and time

Publication numberOT-2026-000030788 · never reused
Internal UUID01a0ae74-3fb4-77ac-80be-975d5a13d6d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030788
StatusPUBLIC

Content hashes

Canonical textc47a46a41932db752b64bbc1215eb2cca8a0f98c0346f3d054cff32b96f493ac
Markdownaaa9a24ed96ef9560244b15f80ada54992d8f25c41c744b6d04057a76b990445
PDF
Publication pagea27eabcdde6c2343c6b27479a5be4de788a90325153f5dec66b7c1a499374449
Manifeste6222341e8f55ead78cf60f2be4b50bf65193c2dc9423813762a8a04945ebb82

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
SignatureiUrZkVa/lwpnKY19wi28IU+al4JUdK3zfa9TW4UVYVPxzJI4kuHLUzJ5H6EzOJMic8Wgy8MSfRaKOfAI1CO4BA==
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

2026-09-17T11:36:45.002622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030788
observed a27eabcdde6c2343c6b27479a5be4de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.986636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030788/manifest.json
observed e6222341e8f55ead78cf60f2be4b50bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.969561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030788/publication.md
observed aaa9a24ed96ef9560244b15f80ada549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.952424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030788/publication.txt
observed c47a46a41932db752b64bbc1215eb2cc...
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.