OpenTechnical

OT-2026-000064355

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, 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-2026-000064355) never changes.

Identity and time

Publication numberOT-2026-000064355 · never reused
Internal UUID01a0ae8d-a460-72e2-804a-cbe5faf496de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064355
StatusPUBLIC

Content hashes

Canonical textaf07b4f19b01772973f9a5b6b19316daef32772f444e1e1f81b9f6aa015e6a88
Markdown1ad44f3e71d4a4f98d242c0b99b8213d892c4d24520e87756044dddb98c17578
PDF
Publication page28c46eed62e35eeb5b67aedbb75b1845d5eeaf6942fb2f33c21c56172e9b4f72
Manifest32b9fc012517d6f80a8d28339322854ddc2e088a150cc41e8a4373164ca703b1

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
Signatureb7NBzjL4HWQu1Mp569pXFKAYMwEEoGLpOBRMj7n6DAV2cr5X+8DkkFluFiuN565+eeXi5C1nJv0ewRe4uGMlCQ==
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

2026-09-17T10:36:30.947521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064355
observed 28c46eed62e35eeb5b67aedbb75b1845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:30.930189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064355/manifest.json
observed 32b9fc012517d6f80a8d28339322854d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:30.911524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064355/publication.md
observed 1ad44f3e71d4a4f98d242c0b99b8213d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:30.895690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064355/publication.txt
observed af07b4f19b01772973f9a5b6b19316da...
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.