OpenTechnical

OT-2026-000048709

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000048709) never changes.

Identity and time

Publication numberOT-2026-000048709 · never reused
Internal UUID01a0ae80-c32b-7294-b958-f99b7ee5fbcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048709
StatusPUBLIC

Content hashes

Canonical textbf2c360ed55bfec914a637bd572c3495ccae275aa8dd07917b396a4060a97092
Markdown2ee76985254a92b56f3cb4a3c275a8f348b870df158e8c0ec11b48a6dd0ff07b
PDF
Publication pagec8d02a9d64296966bf11e57a7d6845a39f6e5636aec67352dda60f08798d467b
Manifest0816fcfc447523d021d4f7a95cd9142d01b8544cd20ccbe3ddf99818e0b90665

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
SignatureIgqO8HqJlH0ysnjoo5pi1FPYpqoG3kDs7T5UKPRFLjgMqZvMARrH1BE67P7SjUdEB/91Xpifo7GXvjJblRACBw==
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

2026-09-17T11:04:20.904712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048709
observed c8d02a9d64296966bf11e57a7d6845a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:20.883522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048709/manifest.json
observed 0816fcfc447523d021d4f7a95cd9142d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:20.864190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048709/publication.md
observed 2ee76985254a92b56f3cb4a3c275a8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:20.842890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048709/publication.txt
observed bf2c360ed55bfec914a637bd572c3495...
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.