OpenTechnical

OT-2026-000030827

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000030827) never changes.

Identity and time

Publication numberOT-2026-000030827 · never reused
Internal UUID01a0ae74-3fb5-7208-9fb4-c5cbb90b6ff5 · 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-2026-000030827
StatusPUBLIC

Content hashes

Canonical texta4915dc875d7bc9b9535ae4c3ede8e3e5bb88667f534acaae341ac7b1e966b4f
Markdowndafdcd9047b2e31c0071980bccfde99337fae6637c02d4aceebc02f0a51f8d52
PDF
Publication page0ac0f032c47f6d6a6ecf4c07e48c3e9b5deeabb47c08066352a07fd1fee0b4c8
Manifesta5ab6dbc735951f9bd4e8a3731d8239c931ad3021fd4093fd83a29d5d1d1b04c

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
Signaturei6BtSSmNwVAn7A9Iw6q4g9waICzmCldUvV+vSOnmkmVZ86EAPhliaa6Z9If7wSwHcbfJ8c0G66P4JG0qJxhlAg==
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

2026-09-17T11:36:48.000661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030827
observed 0ac0f032c47f6d6a6ecf4c07e48c3e9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.981504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030827/manifest.json
observed a5ab6dbc735951f9bd4e8a3731d8239c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.965420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030827/publication.md
observed dafdcd9047b2e31c0071980bccfde993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.947748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030827/publication.txt
observed a4915dc875d7bc9b9535ae4c3ede8e3e...
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.