OpenTechnical

OT-2026-000091428

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091428) never changes.

Identity and time

Publication numberOT-2026-000091428 · never reused
Internal UUID01a0ae9c-f16d-7abd-a67a-d9a0d824f559 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091428
StatusPUBLIC

Content hashes

Canonical textb698d8757360cceeff0b7cfc60746fa14b847735a5f9054c214b08d27b1b6af0
Markdowncd6efb01f192dec2e5325e85e5e3be093beb5b6fa1bcac5fba0c83d20531f248
PDF
Publication pagedcb2fae58daa04fa35b25b80558f8f500616d5de8325b786719c5008f8231e67
Manifest2648e6904bb5b1621801444ee06797543059a3926c4a12604edfb25c73f156f3

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
SignaturekNzLooVsna9vNsWtnC6HBPk4ISRN74dGoFWB9pIpC+Qyd9dsgNjRbWmx6EZOXATudadDEsua5LXyZjwkITksCg==
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

2026-09-17T09:43:40.009149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091428
observed dcb2fae58daa04fa35b25b80558f8f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.992672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091428/manifest.json
observed 2648e6904bb5b1621801444ee0679754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.975342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091428/publication.md
observed cd6efb01f192dec2e5325e85e5e3be09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.956635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091428/publication.txt
observed b698d8757360cceeff0b7cfc60746fa1...
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.