OpenTechnical

OT-2026-000025121

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000025121) never changes.

Identity and time

Publication numberOT-2026-000025121 · never reused
Internal UUID01a0ae71-5fa5-7f72-b1fc-86e5c22238a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025121
StatusPUBLIC

Content hashes

Canonical text4e950a179190e14cf74f2a5c15589a8e93367021167e3b71319d6eccc877eba7
Markdown633d3570b66fa4b769f0036603b09f3b01831e6ba38623232adf5f0d2d79f57b
PDF
Publication page6022f81ebd744d6b2c06c819f0e233cba7e043a19510b2c405a09cd78e68a46d
Manifest88498f84ce420532155ed91ab6fca147955d1fab2eda3cc4149d79d3e33dafe2

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
SignaturesGH2vZTtYzgps/MQHgpm1g8yX7kGWIZaB7SmxTAs62VslUdCZxZl+v/01+HZLOHWvHRBZerotNMRkTsLpkKjBw==
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

2026-09-17T11:46:59.877791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025121
observed 6022f81ebd744d6b2c06c819f0e233cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.859626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025121/manifest.json
observed 88498f84ce420532155ed91ab6fca147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.840389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025121/publication.md
observed 633d3570b66fa4b769f0036603b09f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.823472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025121/publication.txt
observed 4e950a179190e14cf74f2a5c15589a8e...
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.