OpenTechnical

OT-2026-000042060

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000042060) never changes.

Identity and time

Publication numberOT-2026-000042060 · never reused
Internal UUID01a0ae7a-5d70-7a8b-ab59-5a72968596d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042060
StatusPUBLIC

Content hashes

Canonical textae2fefc7784f13f4388e1cfc1de7a442d116b806ee0121cf7fef2a902a62eb24
Markdown693f814bc66abd152eb6c005d4408860cb8a6360231e53cec714d147fa311dcf
PDF
Publication pagee4f579b08e3a70ec3a9833424a64f043222fec14ed53b504284dd55cf9e88a7a
Manifest8b2cce43e1553e1b2cf453caf89467cf7b4f61428bd83bfe7c5fae2e45fd282f

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
SignatureLWHPzsFyNwOvyWl8PXCZFuAPhhukjr1iFYVmNemJ3HZ6f70GGuI79vmm9KSckSYqVFpf6qqNd8A8hPqN42EJAA==
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

2026-09-17T11:15:34.803219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042060
observed e4f579b08e3a70ec3a9833424a64f043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:34.785417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042060/manifest.json
observed 8b2cce43e1553e1b2cf453caf89467cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:34.764694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042060/publication.md
observed 693f814bc66abd152eb6c005d4408860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:34.744110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042060/publication.txt
observed ae2fefc7784f13f4388e1cfc1de7a442...
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.