OpenTechnical

OT-2026-000056805

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000056805) never changes.

Identity and time

Publication numberOT-2026-000056805 · never reused
Internal UUID01a0ae87-7af7-78f6-ae31-933263916657 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056805
StatusPUBLIC

Content hashes

Canonical text351a37233d6194519747784891c0b211b96c1f070cfbb325c89c7fc325989e87
Markdown3a6a9be3b014415059395f52b2aa021f2840dc189e3805571d1345f3da7e9072
PDF
Publication page798271064be94017cf453957e08c8c95a4c7545e148acb1a275fc7066fc6ef22
Manifest566ea21d9fd5db3b5c6805c6c6818c85b15cb552dbf83465e2099c64a7bec342

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
SignaturepNLv1Q8/20MLsAXKDTSQtHccH8+EJxte1pbOK8TjidJBpe9ato7jWfFkp2UJsdpxhWuOzkqCsyfLf/1e74YtDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:17.426730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056805
observed 798271064be94017cf453957e08c8c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.409219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056805/manifest.json
observed 566ea21d9fd5db3b5c6805c6c6818c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.391244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056805/publication.md
observed 3a6a9be3b014415059395f52b2aa021f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.371843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056805/publication.txt
observed 351a37233d6194519747784891c0b211...
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.