OpenTechnical

OT-2026-000026990

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000026990) never changes.

Identity and time

Publication numberOT-2026-000026990 · never reused
Internal UUID01a0ae72-3453-7236-bbca-888368e521a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026990
StatusPUBLIC

Content hashes

Canonical textb0d36e885a8499da445860a42b86b0f9588c218e9a8023bbb437ecdeff11db07
Markdownbca3f90fd7d16d8bec883e941be90850e17e4707634d0f7327da6d40c8afb354
PDF
Publication pagefd7ee64ab0978e14192ee36ee057f535a42f63d52906cf674dda2e1812793032
Manifest6b179c1a6f00739abe7270860ebf501329a96302fe3b97304632b434f6b33fa4

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
SignaturezSoTTcJyKoND2IKGTwkWd7qE0zvLPlP6Atne+xJBLqZA4LQlWyQi6XxogRjWYZa5GD+96N41d/t88h+g5U6tCA==
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

2026-09-17T11:43:37.079070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026990
observed fd7ee64ab0978e14192ee36ee057f535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.061414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026990/manifest.json
observed 6b179c1a6f00739abe7270860ebf5013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.044369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026990/publication.md
observed bca3f90fd7d16d8bec883e941be90850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.027583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026990/publication.txt
observed b0d36e885a8499da445860a42b86b0f9...
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.