OpenTechnical

OT-2026-000027099

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000027099) never changes.

Identity and time

Publication numberOT-2026-000027099 · never reused
Internal UUID01a0ae72-3453-78e6-b170-049ae1eb323c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027099
StatusPUBLIC

Content hashes

Canonical textdfaf122f267a539389defe2c02c26bf76fc3be735fb26c2cc216f212286b9a94
Markdown4070922feab756b8d6874f64f6377e5106ec5e080ab5123af1da140b2ff20a85
PDF
Publication page12f9978c80f3740a7005371884ee793f86ca8ec2af0bdd4fd93516742a3446f8
Manifestbaac0f5292f8431551782e5322864d2fc48f4ef389cb6b613e1637725be42fd2

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
SignatureMPrGJUaZv1rDsIbgY7FxDVE1fy1xgAnYe72fyMj9Wv5X1BVY30OyeMBDRaSROJAcNroLhpfSuTmUOsz0CV7DBA==
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

2026-09-17T11:43:52.063585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027099
observed 12f9978c80f3740a7005371884ee793f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.045419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027099/manifest.json
observed baac0f5292f8431551782e5322864d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.025860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027099/publication.md
observed 4070922feab756b8d6874f64f6377e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.009173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027099/publication.txt
observed dfaf122f267a539389defe2c02c26bf7...
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.