OpenTechnical

OT-2026-000019256

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000019256) never changes.

Identity and time

Publication numberOT-2026-000019256 · never reused
Internal UUID01a0ae6e-f392-78d5-87ab-489313de107d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019256
StatusPUBLIC

Content hashes

Canonical texta9d548b0623b7cd5eeaeadeb78fc7ef844f5e0c42662c2e80a023b54e9094a56
Markdown125aa746fcd5a32014012adf2809a11a7524faf36402b3a7f809630d6a172017
PDF
Publication page51d63f116d275b771d1ba362ec4b1b72d40b9eea673ff3ea6f8c5199d1978acc
Manifestae7492cf9de7993aaac9fac0979e2cbc43934bf1a1351121e55913b779a58277

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
SignatureS0eFobtErnWE00lcl2DGuzRGcdEWoxFu/hfyK7kTPV+T18DrSuC1J39XvE6CxN1eTZabanIzqMWRQVtI839eBw==
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

2026-09-17T11:58:35.920121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019256
observed 51d63f116d275b771d1ba362ec4b1b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:35.903284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019256/manifest.json
observed ae7492cf9de7993aaac9fac0979e2cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:35.884431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019256/publication.md
observed 125aa746fcd5a32014012adf2809a11a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:35.866181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019256/publication.txt
observed a9d548b0623b7cd5eeaeadeb78fc7ef8...
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.