OpenTechnical

OT-2026-000030138

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000030138) never changes.

Identity and time

Publication numberOT-2026-000030138 · never reused
Internal UUID01a0ae73-e4ff-75b5-a6fc-f5cffa53cd16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030138
StatusPUBLIC

Content hashes

Canonical textc99c57dea91ce40de1e183fa1c1c21d9fb81117071c76b82f0de319053d6bece
Markdowne92a174ee97671a01e1945d0391b4f0309fd6d2ec68b820449cf546f60287126
PDF
Publication pageef1506da217db5ffe62353e3a0b6b4583e3a611e6b460ec2667bc8f127a9d686
Manifest1af866c9ec043758286d59891b6cb701d20f049a27788a85c608cb9a0dc82229

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
SignatureXCknPSuNuZ1Th+vDqsm/97r+E/yZuNNUfLieVrtupzRsscbzcxbyzDcuZMzthZz1QWHNnGqdQOgWHaTnrAu7Dw==
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

2026-09-17T11:40:22.805333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030138
observed ef1506da217db5ffe62353e3a0b6b458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.787740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030138/manifest.json
observed 1af866c9ec043758286d59891b6cb701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.770901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030138/publication.md
observed e92a174ee97671a01e1945d0391b4f03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.753724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030138/publication.txt
observed c99c57dea91ce40de1e183fa1c1c21d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:45.796178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030138
observed ef1506da217db5ffe62353e3a0b6b458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:45.778049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030138/manifest.json
observed 1af866c9ec043758286d59891b6cb701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:45.757671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030138/publication.md
observed e92a174ee97671a01e1945d0391b4f03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:45.739441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030138/publication.txt
observed c99c57dea91ce40de1e183fa1c1c21d9...
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.