OpenTechnical

OT-2026-000055726

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000055726) never changes.

Identity and time

Publication numberOT-2026-000055726 · never reused
Internal UUID01a0ae87-09ca-77c4-b2f6-d58a8af1cb37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055726
StatusPUBLIC

Content hashes

Canonical text5091f876927ba0280c89f64a3b916e941bee1f68dc352b8a5f70df1380a40b03
Markdown133080c7e6c22705c55c931665cf5bbc2502d1e06ebf75b3427aed192db0876a
PDF
Publication page9b72cfcf4f8661570b8c61e5f9b58c9353c24895a39a06b25db67cc08c533c4e
Manifeste77cfbbdcd911fd4b1b05527b2cfe608efd1bc061861e205cefc3d844814b111

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
SignatureKkVHLhKcAgZz7sf262noMGz/7HuR/O7gJvhuDfi8cXoVvjVPt1x4WrRjEW2DzmO514y3WDfyvlK6zk37fHggBg==
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

2026-09-17T10:51:03.880845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055726
observed 9b72cfcf4f8661570b8c61e5f9b58c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.863939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055726/manifest.json
observed e77cfbbdcd911fd4b1b05527b2cfe608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.847760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055726/publication.md
observed 133080c7e6c22705c55c931665cf5bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.829812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055726/publication.txt
observed 5091f876927ba0280c89f64a3b916e94...
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.