OpenTechnical

OT-2026-000087237

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000087237) never changes.

Identity and time

Publication numberOT-2026-000087237 · never reused
Internal UUID01a0ae9a-9f2e-7283-a07c-02245bca4f7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087237
StatusPUBLIC

Content hashes

Canonical textc3379b89461b7a797b35aa4ecb53a83841c47ee82b1fb1927f366480ec39f695
Markdown5e63571828b06ed6e302f5e6b9ca8aaed4fb8ae782ad89ce928ce583988e6af8
PDF
Publication page69b238584129b70c855b93af9fcd2cd5c20142345ebde294d94ef60fd53613bd
Manifest076ea759e57e4ab3e8568faa697920db26b205d2af13a5cf5ee3a65dad4d9f5b

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
SignaturedfyaukaeMC7NjmJpJmaUchyn+k4THbaRU51pIPIjCVyeSyY+BY9czHp/ArQxt9KIQT96h24Zo69W7npqtdgYCg==
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

2026-09-17T09:51:32.379993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087237
observed 69b238584129b70c855b93af9fcd2cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.362624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087237/manifest.json
observed 076ea759e57e4ab3e8568faa697920db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.344063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087237/publication.md
observed 5e63571828b06ed6e302f5e6b9ca8aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.326455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087237/publication.txt
observed c3379b89461b7a797b35aa4ecb53a838...
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.