OpenTechnical

OT-2026-000044617

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000044617) never changes.

Identity and time

Publication numberOT-2026-000044617 · never reused
Internal UUID01a0ae7c-39d9-7932-b536-1e7addbdc965 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044617
StatusPUBLIC

Content hashes

Canonical text9268ae4b45db725456f3c36f1096b22fbe24b04ed656cdbefbbde32aa7315c28
Markdown6eb8c3d886acc88d17f4070483f59f85fb88d14a0140999f789ed76cc17cda06
PDF
Publication page18dbc9780fac7f1a75f6e4dab07bec60f542c0f16c86b140a0f4406afe0d8098
Manifest042f11beac5122f29e749729fd9266b056db115c90df331b3a2e9283d0eede88

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
SignatureUAchmw6BlJiYPpXGbMry9Rznj+eJvQOSTvkL9Df9NpEfbf24EnlzBGHmN6GLuh7ns3gWTFid4skQY+tko3IsCg==
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

2026-09-17T11:11:51.109579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044617
observed 18dbc9780fac7f1a75f6e4dab07bec60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.090201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044617/manifest.json
observed 042f11beac5122f29e749729fd9266b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.069956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044617/publication.md
observed 6eb8c3d886acc88d17f4070483f59f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.051150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044617/publication.txt
observed 9268ae4b45db725456f3c36f1096b22f...
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.