OpenTechnical

OT-2026-000030607

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000030607) never changes.

Identity and time

Publication numberOT-2026-000030607 · never reused
Internal UUID01a0ae74-3fb2-740a-9cdf-ab615feeff88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030607
StatusPUBLIC

Content hashes

Canonical text29085997716600d3891f29044d2a8f84494138785017b01fa2b8681742a9e6d6
Markdownb3bf4744b367be4ca0206c379e7645e3338c615f073af793da131bebbcf308d2
PDF
Publication page3063397b4aa07bbd16fcd053dc741a09553e52048ecdbe6ae4a3151bff65c1ab
Manifestbe33d317a79d1d303765c6d6e789ac0f052492c16366523db17c374806f6ddc8

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
SignatureAGYVLEzjIWRlTDlbqmDnoL11dXk7SKSyfHNF4VMnjgu/+ta60qoHDnrwrvYQcW9AEX1mu0pFr4zpUQ5Y+eC4CA==
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

2026-09-17T11:36:28.090895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030607
observed 3063397b4aa07bbd16fcd053dc741a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.074085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030607/manifest.json
observed be33d317a79d1d303765c6d6e789ac0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.053852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030607/publication.md
observed b3bf4744b367be4ca0206c379e7645e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.035829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030607/publication.txt
observed 29085997716600d3891f29044d2a8f84...
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.