OpenTechnical

OT-2026-000018791

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000018791) never changes.

Identity and time

Publication numberOT-2026-000018791 · never reused
Internal UUID01a0ae6e-d521-724b-b862-29817558dfd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018791
StatusPUBLIC

Content hashes

Canonical text5e4c481535efd3f9d8925a5fbd9486038ff8202bf0e21cbb0892bc800bb32061
Markdown19879ab9fc6bbfd492bb2173d44d414747a8576a33762503feb355238b14b423
PDF
Publication page0fb94a751b51efff84db9294c129ac80a609dfc6c5ba0f21cc3e50ec3f83ef77
Manifestaf3a163dbc187bb545b335eb5f456754cb889e90cfbeefb58d8b30e8a250cbcd

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
Signature4rlPDsLiulSeV3aTrv+vUnXWfzeWv65Ma5ZNRzMFhPEiVFtNUwW6/uigjxLDJpV3vWkNdQLzXSEVEY70iy3eAQ==
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

2026-09-17T11:59:05.637291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018791
observed 0fb94a751b51efff84db9294c129ac80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.619716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018791/manifest.json
observed af3a163dbc187bb545b335eb5f456754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.600850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018791/publication.md
observed 19879ab9fc6bbfd492bb2173d44d4147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.582453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018791/publication.txt
observed 5e4c481535efd3f9d8925a5fbd948603...
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.