OpenTechnical

OT-2026-000038778

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, pulsed 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-2026-000038778) never changes.

Identity and time

Publication numberOT-2026-000038778 · never reused
Internal UUID01a0ae78-769e-7f1e-bb38-448c6a891e0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038778
StatusPUBLIC

Content hashes

Canonical text4999ad4c696038b18016a74d34875b90389c5b8e6f233dbee110f33fe469138e
Markdown4f614b8d69508fe4775f68e902d9aff4f96d8b804f00b4b41265a891f436e2b0
PDF
Publication paged928d3876a1fef1ca4d087061d4506a87304d0f04664680d7b77543fdf5221d2
Manifest151f99beba5accd1e6d693a4ebedbf51fe9615f10cdc29ebba1eddd0d30e9f30

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
SignatureOvLUsSsh8Vx0hJrteKUFvpD4qUe9hsezNagxWopmQXrRNCx2ztKYaB75qdA1mtTy0TN0FJ0wSSjS+/FdbSjRBA==
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

2026-09-17T11:21:19.472236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038778
observed d928d3876a1fef1ca4d087061d4506a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:19.453707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038778/manifest.json
observed 151f99beba5accd1e6d693a4ebedbf51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:19.434717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038778/publication.md
observed 4f614b8d69508fe4775f68e902d9aff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:19.412731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038778/publication.txt
observed 4999ad4c696038b18016a74d34875b90...
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.