OpenTechnical

OT-2026-000103925

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103925) never changes.

Identity and time

Publication numberOT-2026-000103925 · never reused
Internal UUID01a0aea5-15e7-71e1-aabd-2a03d5d06215 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103925
StatusPUBLIC

Content hashes

Canonical text6b68e202f12cf50d68b71dfca95ac91cc3156b2790fc8ba443663ac7ae1105fa
Markdown28fa0cca9bbc4fc0132221dc2fa29148118ddfe7c886a7cf13498f8de28be2ee
PDF
Publication page3442fe30b6383fd3ba0c623630486df4cef1351db875c2a1774b878f8efc43f2
Manifest261cd4c6e704c1dae101ea27d7acaa60da18f2c70ee04d21145b333c559f02e3

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
Signature+y/tcRi3EDBg6wzxytZR3vXZ7jSYH6s6jXnjLuN2qiMnoKSNElr+71xmRA/SvEHAW7ZIYaopHi5NYNWeAvErBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:55.306210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103925
observed 3442fe30b6383fd3ba0c623630486df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.289386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103925/manifest.json
observed 261cd4c6e704c1dae101ea27d7acaa60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.273020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103925/publication.md
observed 28fa0cca9bbc4fc0132221dc2fa29148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.253870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103925/publication.txt
observed 6b68e202f12cf50d68b71dfca95ac91c...
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.