OpenTechnical

OT-2026-000103395

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pulsed blow-off after 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-2026-000103395) never changes.

Identity and time

Publication numberOT-2026-000103395 · never reused
Internal UUID01a0aea4-e460-7fd1-869d-c10a6ef02b25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103395
StatusPUBLIC

Content hashes

Canonical text6d49692fb13dbf526ee88e8ffbfeb8025847d7f124943317867436b9d4fad07b
Markdowndedd2f58306ebb0b9a0e6fc38e30212e6ee39b0005051ac290aff314e76a8e11
PDF
Publication page8f38d2ab0b78cdc969929e480ef899f01dea169c9f25d9fa9d71720383caada7
Manifest428621edd0651acae12754233ed56659b0b18519f07107fa31b1bf987aad5917

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
Signature5ICuswxRnadcU5LHJyMxB1qggekxjCDRAgnXquobAbkEK2LV3axciMgHq9tOT3Km5rIXZ7JUkZKZMlgaR/QpDQ==
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

2026-09-17T09:22:08.275406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103395
observed 8f38d2ab0b78cdc969929e480ef899f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.259930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103395/manifest.json
observed 428621edd0651acae12754233ed56659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.242339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103395/publication.md
observed dedd2f58306ebb0b9a0e6fc38e30212e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.225437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103395/publication.txt
observed 6d49692fb13dbf526ee88e8ffbfeb802...
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.