OpenTechnical

OT-2026-000018317

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000018317) never changes.

Identity and time

Publication numberOT-2026-000018317 · never reused
Internal UUID01a0ae6e-b489-70e4-ac9f-b73c09a95376 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018317
StatusPUBLIC

Content hashes

Canonical textacb9a790872940f8cf6f9677304eaf328a232d24431b7ec64639205cbc4047ce
Markdown79e0d287ccd9003477838525a30e6b2a56897d3a761a2cacbe0d7f1009b0859d
PDF
Publication page75de495e0524adec25122990547b2fc834b66cd1046fdf6f29f7a64d9b4189c8
Manifestb6eaf2bcb9c219a3d564af874217620653142472ba3c7c79fb41d8a55cad15cf

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
SignatureoXmYjJ+5N525G5Ai9GW78rs/S14a5JxbKVBfhZdGYgTaF8tWek+Bdk/Oa4BscKxKmp3ftjx0tUMi+/tAIuECAw==
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

2026-09-17T12:01:03.228830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018317
observed 75de495e0524adec25122990547b2fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.212405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018317/manifest.json
observed b6eaf2bcb9c219a3d564af8742176206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.195600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018317/publication.md
observed 79e0d287ccd9003477838525a30e6b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.177842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018317/publication.txt
observed acb9a790872940f8cf6f9677304eaf32...
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.