OpenTechnical

OT-2026-000091413

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091413) never changes.

Identity and time

Publication numberOT-2026-000091413 · never reused
Internal UUID01a0ae9c-f16d-773b-8177-a9888fefdd55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091413
StatusPUBLIC

Content hashes

Canonical textdbbe53ab7818cdb695b117d9fe2b045701471f2d1e10c552aefc67b5e9bf41d0
Markdown7bfd911b05cbb0bda0350f61f6e106cb036f684bf03d78aafa6e2c0291f02ea6
PDF
Publication paged7dfec5a1cb4c8b67d3e3b9efc1bd82410d5a1a3b9647a941e8bc017e43b7bda
Manifesta818b93213c000b1b42d8d77a800275861495659f87bcb0ee4f2b579346b05ec

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
SignatureNqT3PIEit0V2piCx2CEUkZfU7uKFThTkzpuwSasil9vLsZFPHiWDqi78iX+7r15FXxEfYidlCYfucVWvoPVCDw==
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

2026-09-17T09:43:38.872908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091413
observed d7dfec5a1cb4c8b67d3e3b9efc1bd824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.855680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091413/manifest.json
observed a818b93213c000b1b42d8d77a8002758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.837767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091413/publication.md
observed 7bfd911b05cbb0bda0350f61f6e106cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.821028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091413/publication.txt
observed dbbe53ab7818cdb695b117d9fe2b0457...
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.