OpenTechnical

OT-2026-000038833

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000038833) never changes.

Identity and time

Publication numberOT-2026-000038833 · never reused
Internal UUID01a0ae78-769f-794a-bb9e-6f51e964c020 · 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-2026-000038833
StatusPUBLIC

Content hashes

Canonical text39b74ba4b449f055405ede3242fc59e980eb860becb4041ee3d6c15456f94f23
Markdown860daea009a6b77149cddaea92a58ea4d0c00ca85ecbb0f9cc920015fb46b438
PDF
Publication page0150348a82a51b841dc77dab8832b6bad785f0772220d55e508b68e9ea0c2c16
Manifest349af1469ec7325a8e6716c40ccd4129a05ec150d1aeedc11704a0f067b8f7c7

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
SignaturemBJqFQUmTm+P2vKB0rU96orNfytHBwFrgINgn11nQ4ayNZ64kKsCt38jZvKogabUnI9UM+MZTxg08y2RDssiAA==
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

2026-09-17T11:21:23.942493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038833
observed 0150348a82a51b841dc77dab8832b6ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:23.924589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038833/manifest.json
observed 349af1469ec7325a8e6716c40ccd4129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:23.906061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038833/publication.md
observed 860daea009a6b77149cddaea92a58ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:23.887514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038833/publication.txt
observed 39b74ba4b449f055405ede3242fc59e9...
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.