OpenTechnical

OT-2026-000015919

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000015919) never changes.

Identity and time

Publication numberOT-2026-000015919 · never reused
Internal UUID01a0ae6e-0c4d-7b57-a1f5-df30e19b3aba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015919
StatusPUBLIC

Content hashes

Canonical textccff8c3ee492fae66dd328240d8a404fea393440e170dcfd842e61faef7fd33b
Markdownfd8602cce15a7b387dc5166bc87b464778f97027710a2d9bdcc0efc1af1d24d2
PDF
Publication page0c8954b49a4caeeca0706935287df84c9f246d14e52bbf765542bd12a9ffb8c3
Manifest5b4857c913ebf9ddf8311a6c8a8ec14f39f7566229bfc7ed010c7afae148ddd2

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
Signaturez+tRr2QJYLvc5c6tGr7hU3j5PVD2x3ykSoUCzj+v20oLkxuWWETeiKwcoTXZPzm3K2Uu5XSbwH0Um5UHKo2lAA==
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

2026-09-17T12:05:23.077591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015919
observed 0c8954b49a4caeeca0706935287df84c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.057559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015919/manifest.json
observed 5b4857c913ebf9ddf8311a6c8a8ec14f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.037524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015919/publication.md
observed fd8602cce15a7b387dc5166bc87b4647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.018194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015919/publication.txt
observed ccff8c3ee492fae66dd328240d8a404f...
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.