OpenTechnical

OT-2026-000030226

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000030226) never changes.

Identity and time

Publication numberOT-2026-000030226 · never reused
Internal UUID01a0ae73-e500-7dba-900e-5f7b65bdf174 · 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-2026-000030226
StatusPUBLIC

Content hashes

Canonical text88c7d622486b8174b3e2c4c01e9bc908ed2d5c2984ac1aedaa06e76e266232ba
Markdown703244e37d70171b30a8476fd8015ea8fc36f2a9c50fc7d00084ecd4c16342d5
PDF
Publication page6f43d8bdf538e1de02a6eb71c710d2564c1d66df54387b51853905313d949b93
Manifest32e778646e7ef683a13585dceefc5f6553783a8a5c52ca3a74f680221a3b0e37

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
SignatureyvXNa4tYPlcsPHIV+rgHZbrINzzpcGSUNeagFSKxc886su7EweY72qIKtzoC/TRrEfpsmAvOsAC6kPy2L7qFAg==
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

2026-09-17T11:40:36.204681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030226
observed 6f43d8bdf538e1de02a6eb71c710d256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.187205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030226/manifest.json
observed 32e778646e7ef683a13585dceefc5f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.163096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030226/publication.md
observed 703244e37d70171b30a8476fd8015ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.145685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030226/publication.txt
observed 88c7d622486b8174b3e2c4c01e9bc908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.695818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030226
observed 6f43d8bdf538e1de02a6eb71c710d256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.678915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030226/manifest.json
observed 32e778646e7ef683a13585dceefc5f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.661552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030226/publication.md
observed 703244e37d70171b30a8476fd8015ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.641759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030226/publication.txt
observed 88c7d622486b8174b3e2c4c01e9bc908...
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.