OpenTechnical

OT-2026-000030899

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000030899) never changes.

Identity and time

Publication numberOT-2026-000030899 · never reused
Internal UUID01a0ae74-3fb6-7a7c-a76f-7df8ddd2020e · 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-2026-000030899
StatusPUBLIC

Content hashes

Canonical textc67705c0dc8129331db74fb6d126e5e9cafd98528ed048fc01e487f0c5759923
Markdown5944042710f077602363972139ca0ae72a1d1f3ecfde5dca45bffcb360ae99ff
PDF
Publication pagef25a79a80a1a1b7dffd9a64f54f88d7d272da6e82811ef857278d7c807e25f12
Manifesta65ac8fb88c1bfe5b57d57ff04b65c1cff99ace600f2c216be9ff89a0f580097

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
Signature7Yt2NQdAtqs1tnpTkZzEZ+n1ALh2zNoK1jBKEaoFwjLr1a4DnjnGXO4TwqBFw7t4sDf3TUYdfIV39G/Slf08Bw==
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

2026-09-17T11:36:53.108913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030899
observed f25a79a80a1a1b7dffd9a64f54f88d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.090746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030899/manifest.json
observed a65ac8fb88c1bfe5b57d57ff04b65c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.070148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030899/publication.md
observed 5944042710f077602363972139ca0ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.051939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030899/publication.txt
observed c67705c0dc8129331db74fb6d126e5e9...
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.