OpenTechnical

OT-2026-000019783

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, 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-2026-000019783) never changes.

Identity and time

Publication numberOT-2026-000019783 · never reused
Internal UUID01a0ae6f-1fb4-7762-a312-961c56254990 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019783
StatusPUBLIC

Content hashes

Canonical text155ae05fa07f3d436f20edeede9b11175a89e55567578d5925a548faff95c08a
Markdown6a5762bfcf30d8cc792811a202e615a635cf09261294d8d1b46ff25a9d90b13b
PDF
Publication pagef410bb6a595b8f02f5fd7035c59455873e41773b483efeb14fcbf8860a774eb7
Manifest795cd61808aeb805424028660d99adf23091bad8c88decf5bc813742a608165f

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
SignaturemrXNYdQjoi4dHPQ48mbl8bRGG34Uuzlp8qW6j52EUf4UHc+XllBD3LzrVgP1kznYF7kpyHqUS8JZ5gbwTI1RDw==
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

2026-09-17T11:57:57.557674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019783
observed f410bb6a595b8f02f5fd7035c5945587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:57.535155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019783/manifest.json
observed 795cd61808aeb805424028660d99adf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:57.514396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019783/publication.md
observed 6a5762bfcf30d8cc792811a202e615a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:57.495451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019783/publication.txt
observed 155ae05fa07f3d436f20edeede9b1117...
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.