OpenTechnical

OT-2026-000048386

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000048386) never changes.

Identity and time

Publication numberOT-2026-000048386 · never reused
Internal UUID01a0ae80-4de4-769f-ad88-e4ceda82b062 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048386
StatusPUBLIC

Content hashes

Canonical text332e8523e966965ede37708a7cf77e21e666e676d7cc070574b9cabcb9f00f37
Markdown94ca36893b6a25f6ad629ef13d4ac51857eab29afae016004ffa48043a1f3f10
PDF
Publication page90af4c2dd3948b41002fd7938096ce32e529ec03d033795871c9b9d5fa02876c
Manifest6cf11c1f6e81a0518f60f31cb32ae01d4323a8ec6330fa820d75785fe04acc17

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
SignatureHqnlrcnt5+3Gmz5aMLF8kO+5UpLmoWmysDkQsZ/YXMf0tPSHBHtDyWMQFjoPkMg/OXv/xuC7+6agyULdT0Y7Aw==
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

2026-09-17T11:05:01.022133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048386
observed 90af4c2dd3948b41002fd7938096ce32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.001995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048386/manifest.json
observed 6cf11c1f6e81a0518f60f31cb32ae01d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.980842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048386/publication.md
observed 94ca36893b6a25f6ad629ef13d4ac518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.961645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048386/publication.txt
observed 332e8523e966965ede37708a7cf77e21...
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.