OpenTechnical

OT-2026-000023822

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000023822) never changes.

Identity and time

Publication numberOT-2026-000023822 · never reused
Internal UUID01a0ae70-aed5-70fb-8bcc-7f8a3eb8b236 · 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-2026-000023822
StatusPUBLIC

Content hashes

Canonical textd9e9977556bf02b5ea528696ce21bbd18db0166ec2eb660a4a38b226b2f115c9
Markdown13680b479edd74594ce9d3360377b1c0cbf4389192ff831aa5665154921384bd
PDF
Publication page9bf6b667d925378c8eda0e4909fe57fccf5f6cf02bdfe4339c4d2dcad48e1611
Manifest5c5c81577469231bfabc59f0e8b8422be022be94ee38216726f7cd771c1c0f3a

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
SignaturekMZ4g+ZnKq12eb6wwElyXYgOS858S3lKQLYwuyZ6iB0+VPS4jWC61+vAwehsMBPMygqtPkki3L/8w/0HBRghCA==
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

2026-09-17T11:50:18.454072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023822
observed 9bf6b667d925378c8eda0e4909fe57fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.431338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023822/manifest.json
observed 5c5c81577469231bfabc59f0e8b8422b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.413030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023822/publication.md
observed 13680b479edd74594ce9d3360377b1c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.391177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023822/publication.txt
observed d9e9977556bf02b5ea528696ce21bbd1...
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.