OpenTechnical

OT-2026-000102812

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000102812) never changes.

Identity and time

Publication numberOT-2026-000102812 · never reused
Internal UUID01a0aea4-858c-74bd-b364-cd9d3d967ab3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102812
StatusPUBLIC

Content hashes

Canonical text59821fe2913f6511a5c846ed1cbaa6c6dc62f796beabaacb3f6829d668dba662
Markdownd0077f3bc7d67c42db70fc490b88ec58c222e92e5fe00d1a38f93639452dcdb6
PDF
Publication page4f7aefc66d6c51e4dcdfa90892ae6ffbc5a167563cc9ff522bbf642587eb25c7
Manifest310667e32eb0104178f4ad0b5ac77a0f439f3706a51454530079686f79777d1e

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
SignaturegOfd3bss0Xa9Pdv/pN6lib/DSrRVV3cXpYYH2eqwYFLU+yVePCausywnf+ZrjTvf/FzoT9VgwICgiFSEqkUYDA==
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

2026-09-17T09:24:20.567991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102812
observed 4f7aefc66d6c51e4dcdfa90892ae6ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:20.550481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102812/manifest.json
observed 310667e32eb0104178f4ad0b5ac77a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:20.530331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102812/publication.md
observed d0077f3bc7d67c42db70fc490b88ec58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:20.508943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102812/publication.txt
observed 59821fe2913f6511a5c846ed1cbaa6c6...
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.