OpenTechnical

OT-2026-000067791

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000067791) never changes.

Identity and time

Publication numberOT-2026-000067791 · never reused
Internal UUID01a0ae8f-c4fa-71d9-bf36-72319c94458f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067791
StatusPUBLIC

Content hashes

Canonical text4dd192f3d1edd7add03b390b3b4f31efcf7129fc4ebcac66f01419dca5d76000
Markdown48ec294552ce98a77715d63a88d05644c93abcb98a140fbadf608f90a27cff14
PDF
Publication page131cdcaab82b82838bbd08b2b59b07348ec3f67682079321030b8319a6fa981a
Manifestbe95fd71492a92deb10fc9812fcd9a346037285519d3af0808cbd964fc4746b0

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
SignatureJ7Y9M8Zi3g6PrCZ7O7cYN59vehgcnNKC5TZk1wowIGAFWD15yUARWBpw94a9jDQFgE8AD3K56U07LysfyN6GBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:01.641919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067791
observed 131cdcaab82b82838bbd08b2b59b0734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.624011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067791/manifest.json
observed be95fd71492a92deb10fc9812fcd9a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.604309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067791/publication.md
observed 48ec294552ce98a77715d63a88d05644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.585215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067791/publication.txt
observed 4dd192f3d1edd7add03b390b3b4f31ef...
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.