OpenTechnical

OT-2026-000081513

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, sustained 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-2026-000081513) never changes.

Identity and time

Publication numberOT-2026-000081513 · never reused
Internal UUID01a0ae97-0f70-79dd-b07e-3ac1e3c228ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081513
StatusPUBLIC

Content hashes

Canonical text965171c25c9e97334ff82aa4efc34dc619af236375365b717e1bd279c721723f
Markdown5afd480558ac54050a9bd396756c77110813627f5440112ee4dbe19546f11327
PDF
Publication pagea22b8ab7c711ca9fe72f873e6973ed18e46d62c818e7341f1178e8b5a859f886
Manifest0a611d807bf0fda8dad37afa6fd4426627edbb7603cf09a4f9b8c8085b0146e5

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
SignaturecmWvzlpEp7C2gPeKkp36V/XREQVAlhF078jqn5Iz/bhNQ5vhkkKSdkTewFLKmHPWW1mL5oYGJ46U+rvL8y5VDg==
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

2026-09-17T09:59:31.735335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081513
observed a22b8ab7c711ca9fe72f873e6973ed18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.716736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081513/manifest.json
observed 0a611d807bf0fda8dad37afa6fd44266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.699913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081513/publication.md
observed 5afd480558ac54050a9bd396756c7711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.682480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081513/publication.txt
observed 965171c25c9e97334ff82aa4efc34dc6...
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.