OpenTechnical

OT-2026-000043438

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, sustained 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-2026-000043438) never changes.

Identity and time

Publication numberOT-2026-000043438 · never reused
Internal UUID01a0ae7b-327f-7740-bfa7-d6f851287bad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043438
StatusPUBLIC

Content hashes

Canonical text8f54c190014475a33a626db0e814cc060382ffd896c8ff08f1697b9c98416957
Markdownd90d635a9ea7b74a34fc9cd19ce2b6bf69cf57ec74e58bb8ecbc8ad012b994ac
PDF
Publication pagef1dad0219005886810731d45a49d6d60b5616708581fb6d0010d3da31f0f9a99
Manifest67b9b3e1ba13698837801808db9fd5eaf56e261c2b9efe14ca60e819bd0e1059

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
Signature6JWMcdweWFBs4rvX3qk8v4giqsp75DR5SH5y+oogu8wdHBGdRpkp7OqEuCNvpWK+g/C8njy/PO9Y+2HBluU/DA==
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

2026-09-17T11:13:59.162675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043438
observed f1dad0219005886810731d45a49d6d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.142905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043438/manifest.json
observed 67b9b3e1ba13698837801808db9fd5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.123326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043438/publication.md
observed d90d635a9ea7b74a34fc9cd19ce2b6bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.103855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043438/publication.txt
observed 8f54c190014475a33a626db0e814cc06...
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.