OpenTechnical

OT-2026-000023735

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pulsed 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-2026-000023735) never changes.

Identity and time

Publication numberOT-2026-000023735 · never reused
Internal UUID01a0ae70-aed4-79c9-b95e-20b978ac8e46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023735
StatusPUBLIC

Content hashes

Canonical text380c2a25b0346b0799942008443144f26e9165f7d7cf0aae1c15afa683561323
Markdown98947901dfa5bf29ade422836824b64a904ce5b5652d661f60c056f43a44236f
PDF
Publication paged3d32e6664677d777545e1ebf64c69a45796aec71219c46276f475bfe4830ebe
Manifestb23803d0ffc38f55ffe553d3949753a0e58310ff3cdcc555e7b9500d978344d3

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
SignatureZdIoNYDrFCYSiVHFG6B3YUPuADWnt2Qn5QLBlH6ojWQwa75lMT8FLC2dzaQKNiF7QUA/EgLaC4+QAfXU6UW8Cg==
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

2026-09-17T11:50:04.817525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023735
observed d3d32e6664677d777545e1ebf64c69a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.796483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023735/manifest.json
observed b23803d0ffc38f55ffe553d3949753a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.778596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023735/publication.md
observed 98947901dfa5bf29ade422836824b64a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.761679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023735/publication.txt
observed 380c2a25b0346b0799942008443144f2...
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.