OpenTechnical

OT-2026-000091844

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091844) never changes.

Identity and time

Publication numberOT-2026-000091844 · never reused
Internal UUID01a0ae9d-43ba-7015-abc5-29182d3fdfa9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091844
StatusPUBLIC

Content hashes

Canonical textc73a866554c819d21b38b1949cfadea2b5aa1b90772e720b3ad19eb61b486218
Markdown6a456792fc2fe4727b0320a2b56b128632ec76c7d3a1f3f3baf13ac0c90c8c71
PDF
Publication pagea63cd9d592fead451d3fa720bf78a17f363dfa0ce11fa8cb4d0831eb0f985842
Manifestf447e239a1fbae0c67ff0cdf77678db79c1039b17c7cbce728018abdc6700139

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
Signaturenrx7CjAzoyvE2rQbc73iq9q4jpp6Ae1LjvQETf3evkW1y05LFUCjcxBSjNq8Lene6sM61wQ3+t3bRCrHUM7GBQ==
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

2026-09-17T09:42:45.826803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091844
observed a63cd9d592fead451d3fa720bf78a17f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:45.809163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091844/manifest.json
observed f447e239a1fbae0c67ff0cdf77678db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:45.790803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091844/publication.md
observed 6a456792fc2fe4727b0320a2b56b1286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:45.773855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091844/publication.txt
observed c73a866554c819d21b38b1949cfadea2...
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.