OpenTechnical

OT-2026-000099442

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000099442) never changes.

Identity and time

Publication numberOT-2026-000099442 · never reused
Internal UUID01a0aea2-c974-7abb-9137-a356de8cb8cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099442
StatusPUBLIC

Content hashes

Canonical textea2e691b98f79b2cf6b2f2a2d5f484df99b0bc1536c5ceb0fb69107d30bc3e3a
Markdown00e22435780b329e4f3371f4b8db466f8287f8d68c459881744fe685a9b731ac
PDF
Publication pagecc77c77ee1df882dde780a1230170ac8be570adf3cf77777d88eb40e0d5c2ad3
Manifest62eaecdb3b2e361b05d8fdc9beead94b6431e808adf682dea960862222ae7c28

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
SignaturevEPsRLVeRyK7uMGKtolxIIPEnu6heGUcKeGdK6+Y5Prc48Phbt+UGR4sHvmcebfUOle096JESO9mjb95Y/owBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:13.224051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099442
observed cc77c77ee1df882dde780a1230170ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.204625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099442/manifest.json
observed 62eaecdb3b2e361b05d8fdc9beead94b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.187216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099442/publication.md
observed 00e22435780b329e4f3371f4b8db466f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.168709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099442/publication.txt
observed ea2e691b98f79b2cf6b2f2a2d5f484df...
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.