OpenTechnical

OT-2026-000022969

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three 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-2026-000022969) never changes.

Identity and time

Publication numberOT-2026-000022969 · never reused
Internal UUID01a0ae70-46ec-7f76-a885-1fba331163c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022969
StatusPUBLIC

Content hashes

Canonical text4a99af6527412c65642b3a04d8342fd132397570753a7a145f9a17bba979ecba
Markdown97e1fe46976d28d438c9279cded03285047bc1581564964ea15f382dcb88bb3b
PDF
Publication pagee8345464e61112d1f72ee19b46c642c0f725f83195a3935cc23fc97948c1be6b
Manifest38aae4dc6a64fc46c9abc5048a35943a56f065d39fec0eaca94b2934bdb72dd4

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
SignatureFkYiI6aWJZ3t+ThxK4xJJ1jxdM1mv6ZwEzPVUAm5qcCtz7ghm7BNUdQ2mSFCLeoztup6PmUv5KW/I1GcVT4VCw==
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

2026-09-17T11:52:33.414323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022969
observed e8345464e61112d1f72ee19b46c642c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.396367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022969/manifest.json
observed 38aae4dc6a64fc46c9abc5048a35943a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.379775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022969/publication.md
observed 97e1fe46976d28d438c9279cded03285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.362105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022969/publication.txt
observed 4a99af6527412c65642b3a04d8342fd1...
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.