OpenTechnical

OT-2026-000040829

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, sustained 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-2026-000040829) never changes.

Identity and time

Publication numberOT-2026-000040829 · never reused
Internal UUID01a0ae79-6d10-7702-878a-cf9395033a1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040829
StatusPUBLIC

Content hashes

Canonical text4de040e93fed37a26baffa343b9884f248cfd79305aa7e0d7515d5ffbc51b8f9
Markdownf1de889e0ddd43a7da1709126fa4bfa35cadc05f528b4e25fa1ec60b08d11690
PDF
Publication page9db4efb2677df594c2eebec3164c6658dfc9497d84dc013d76015a0665d28c24
Manifestada6fd4f8fe26a55844c5a44411c11fc1af59e08bf879ef6058865a50f86f32a

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
SignatureChxO+F66coSmQJ8wccx4WSYXekSSAdYXySi+H/iwPvn3vkdtaOsrM4N9/RJF+paamGRxOPwYgGKQkcax3Up2DA==
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

2026-09-17T11:20:10.658523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040829
observed 9db4efb2677df594c2eebec3164c6658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.640715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040829/manifest.json
observed ada6fd4f8fe26a55844c5a44411c11fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.622174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040829/publication.md
observed f1de889e0ddd43a7da1709126fa4bfa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.605113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040829/publication.txt
observed 4de040e93fed37a26baffa343b9884f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.615290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040829
observed 9db4efb2677df594c2eebec3164c6658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.597836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040829/manifest.json
observed ada6fd4f8fe26a55844c5a44411c11fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.581094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040829/publication.md
observed f1de889e0ddd43a7da1709126fa4bfa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.564072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040829/publication.txt
observed 4de040e93fed37a26baffa343b9884f2...
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.