OpenTechnical

OT-2026-000029286

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000029286) never changes.

Identity and time

Publication numberOT-2026-000029286 · never reused
Internal UUID01a0ae73-2aa1-7723-a5aa-05f0978e71d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029286
StatusPUBLIC

Content hashes

Canonical textdfd1a2b0a9663f9c07c4bfb0f0f4dcda58766f66a6f7db3e59c6696cdf1707b0
Markdown6139443c0110c4a362bb1548bb9c975c76db41f89fc67c2fb51d38e13e5dde15
PDF
Publication page8600781df85275cda35d412c5bd13f1914d04b53a6706b240785a47816baef3d
Manifest0bbed747365535cb86852fd8edf5e1492e628ccf8ea4f55f586d383ef808e64b

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
Signatures/ehrAclm4LkwzbYY7OQ4JkgSkkrj0bMeciiODQd8Igo/4RObdpHHIy4pYpZEs4+1ien1UcyOiIjPKnQJdJQCA==
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

2026-09-17T11:39:55.327522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029286
observed 8600781df85275cda35d412c5bd13f19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.309183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029286/manifest.json
observed 0bbed747365535cb86852fd8edf5e149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.288673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029286/publication.md
observed 6139443c0110c4a362bb1548bb9c975c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.269424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029286/publication.txt
observed dfd1a2b0a9663f9c07c4bfb0f0f4dcda...
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.