OpenTechnical

OT-2026-000103345

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000103345) never changes.

Identity and time

Publication numberOT-2026-000103345 · never reused
Internal UUID01a0aea4-e45f-71b6-906b-f066bc21f8dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103345
StatusPUBLIC

Content hashes

Canonical texta7447c7e77e066a840ef59dacda714e55ee3de801fb4ed5ef28091ec3ecc6b2d
Markdownb6b8f5ece765e3bb1f7f95efda7b0ee022d8c9d425cc0ccff265772b53318252
PDF
Publication page998d2d948b87400e7aea439981599aae6c2931efb607f9a5a79a620d08d93570
Manifest83da793157049362d05ab202e553cfc4e4891a02de0fe465d8d6c630b69101b1

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
Signature6PLqxOuwnebQYkVmMoVPxlb67CPLB55UbbQCQbbBaPBhJp6szwR58xT1HF4Orh0mWER3EWbzlW0Njug/LnsEAA==
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

2026-09-17T09:22:04.533319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103345
observed 998d2d948b87400e7aea439981599aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.482382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103345/manifest.json
observed 83da793157049362d05ab202e553cfc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.465152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103345/publication.md
observed b6b8f5ece765e3bb1f7f95efda7b0ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.408256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103345/publication.txt
observed a7447c7e77e066a840ef59dacda714e5...
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.