OpenTechnical

OT-2026-000047586

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000047586) never changes.

Identity and time

Publication numberOT-2026-000047586 · never reused
Internal UUID01a0ae7f-3e59-74dd-a21f-74e19a5ea886 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047586
StatusPUBLIC

Content hashes

Canonical textf7edbf17e276e451c7477ad7d581f976e56c0bb42153aa929e50b7eac3cbf79f
Markdownbd3cc0cd6bd713960a5172f228709f35e0d1f2e30bfedcf5f59c8c90067d5817
PDF
Publication page9fdcc7eebd9e2d62ea944250ba0ce51fc1fcdbaa21b9bd149e2d8f3522ffc987
Manifest26a0026442d2fcf4bbf785baa383985b81add27f45aca83b5eb5479755021ca1

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
SignatureYdCbxr1J/CNL21mqHG8XNkbeMJiLV5NQtLB2E2SGUDISF1lv7Ky+laz234sMXN7oPEfI5UGi2IyI+nKflqidAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:43.088877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047586
observed 9fdcc7eebd9e2d62ea944250ba0ce51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:43.070336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047586/manifest.json
observed 26a0026442d2fcf4bbf785baa383985b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:43.053365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047586/publication.md
observed bd3cc0cd6bd713960a5172f228709f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:43.035198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047586/publication.txt
observed f7edbf17e276e451c7477ad7d581f976...
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.