OpenTechnical

OT-2026-000027587

Publication integrity record

Four cup vacuum gripper, four 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-2026-000027587) never changes.

Identity and time

Publication numberOT-2026-000027587 · never reused
Internal UUID01a0ae72-6999-7d45-8bf6-29f278c9d977 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027587
StatusPUBLIC

Content hashes

Canonical texte2ab2f97c1c6fcbbd20841f93101f9dc1cb394e3ca91c492d90162c593065f84
Markdownd712718f427700df45a69cac3ee6cc3d582f168e0e23fd6603cdd1fb9edd97f6
PDF
Publication pagee6f17d78f00f6f094b8ac5351afef03823edce75472e9c48c65c2c06f5b5488d
Manifest2facb4842eb69130c621ac36b99ce6cb6cd1df73730e354c50f4123d9abd53ee

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
SignatureYYsRgFBJohw+YWzcfaFwQxUeycnWuu4aHPCXZygSAnSCBSZNMFCxrThHkfktJ+Mbj+32JFcKkiqAxbO3H8avAg==
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

2026-09-17T11:43:04.970101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027587
observed e6f17d78f00f6f094b8ac5351afef038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.954750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027587/manifest.json
observed 2facb4842eb69130c621ac36b99ce6cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.935532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027587/publication.md
observed d712718f427700df45a69cac3ee6cc3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.918780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027587/publication.txt
observed e2ab2f97c1c6fcbbd20841f93101f9dc...
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.