OpenTechnical

OT-2026-000068195

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump 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-2026-000068195) never changes.

Identity and time

Publication numberOT-2026-000068195 · never reused
Internal UUID01a0ae8f-c4ff-7b0f-a264-0776f89ecf80 · 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-2026-000068195
StatusPUBLIC

Content hashes

Canonical textfb6641618ac9a0ad4659487b902ceed0b6122f3efe697b2fdefb422480084247
Markdowne2a06905eb30d38a1bfc13677468480ec26b149825efeea7a7a0f7c354585cd8
PDF
Publication pageda838252ab78f4de8d3ae250bdcff02df53f075a170405ff3d402e42349d64e5
Manifestb8cbebe1aa2796ec0f126f6b7e0b053be2173c5dacf7d32393afefaf9d27734b

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
SignatureOzONuZhI5zl7vJt0tL/WarSI0tCcsAMXP5d6ldRIS8oZjl5LAjeRLFCzU9kL2GogMDIwUyAvrfURSQ9BjhklDw==
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

2026-09-17T10:30:51.387445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068195
observed da838252ab78f4de8d3ae250bdcff02d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.369300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068195/manifest.json
observed b8cbebe1aa2796ec0f126f6b7e0b053b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.352628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068195/publication.md
observed e2a06905eb30d38a1bfc13677468480e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.334602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068195/publication.txt
observed fb6641618ac9a0ad4659487b902ceed0...
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.