OpenTechnical

OT-2026-000020877

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000020877) never changes.

Identity and time

Publication numberOT-2026-000020877 · never reused
Internal UUID01a0ae6f-65e3-7193-9b72-907e39484ec1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020877
StatusPUBLIC

Content hashes

Canonical text4d3fbeaf4c66aac96823bc63273e101c8d0e3238436ad6d68ad006bc9d0d76c1
Markdown29d9930770ed74289b253d9abfe9142ed855d3d070484f5193b674dd55774c0b
PDF
Publication page37db3d462ed60766c9c9a65261ac988fc20b13aef57a91413a4b73c7b8fb532a
Manifest390b6aab8232bae5751715a698cc46b0af3da25ed91c85e906f5b1ececc471e8

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
Signature3DieudR5lVjmuPhNb2/DMRZRPL+OWphq4q08zg9AWr3P54f1Dxxw/K6akpAb+AC99X11Iyn/EE6f4Gv4KdQuCg==
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

2026-09-17T11:55:59.181765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020877
observed 37db3d462ed60766c9c9a65261ac988f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:59.164377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020877/manifest.json
observed 390b6aab8232bae5751715a698cc46b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:59.146901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020877/publication.md
observed 29d9930770ed74289b253d9abfe9142e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:59.129333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020877/publication.txt
observed 4d3fbeaf4c66aac96823bc63273e101c...
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.