OpenTechnical

OT-2026-000040090

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000040090) never changes.

Identity and time

Publication numberOT-2026-000040090 · never reused
Internal UUID01a0ae79-26fd-7ea8-aa7d-795d3c56beb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040090
StatusPUBLIC

Content hashes

Canonical textb98ebd1aeee011b834f35d3b2fec12a112189bfa2218d8175cd1d3f525dd8145
Markdown747f42565fd9769de5ccb7d20d7873a28835adda8933c0e354e611c2a92e5abd
PDF
Publication pagedc407e8b8d91eaff87726e8995000c53e7a8a1f72a77a5f0d18b1db9cd12929b
Manifest4dbfe93b34b4dc311b7f4ac83c379bb75748372e37e9e0c3e5671cc826991963

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
SignatureSDW1YAeq9CaBLdyCCy2cxolhoCw+r16l2K8hvIHDfVqZJuNEIv6fYhahCz2sktCxQgC6NJGF7US2lzbAoHonCA==
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

2026-09-17T11:18:56.330650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040090
observed dc407e8b8d91eaff87726e8995000c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:56.313111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040090/manifest.json
observed 4dbfe93b34b4dc311b7f4ac83c379bb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:56.296690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040090/publication.md
observed 747f42565fd9769de5ccb7d20d7873a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:56.278441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040090/publication.txt
observed b98ebd1aeee011b834f35d3b2fec12a1...
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.