OpenTechnical

OT-2026-000067660

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000067660) never changes.

Identity and time

Publication numberOT-2026-000067660 · never reused
Internal UUID01a0ae8f-6bdb-7ef5-aa37-61f872e91980 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067660
StatusPUBLIC

Content hashes

Canonical text7c26609b9e0f3d3930bb191ea6d3a75a61a6e54cab129a7cc30a6106d5195a31
Markdown4f14ba903d1f668c968b883e0a0547140ea6b6ac37b2bcdf46539357c5f62c25
PDF
Publication pagea678112250fb63629e7b9bf32991af1757cb1f962a87fd4a236d0e52240c1166
Manifest6b64d24b5043fce81902f08aa7496490bd7b8afe30444bae07eddcd5577d7c3d

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
SignatureSj5wzfTRjjWvdyYvlu0HZRd63aDkjWzZ6UZOMKa9KbQTHM+Fe4F3BMqLHk85BideoVkqtzvqy9LqAMYPVmMACQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:59.473345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067660
observed a678112250fb63629e7b9bf32991af17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.454012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067660/manifest.json
observed 6b64d24b5043fce81902f08aa7496490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.435692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067660/publication.md
observed 4f14ba903d1f668c968b883e0a054714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.417637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067660/publication.txt
observed 7c26609b9e0f3d3930bb191ea6d3a75a...
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.