OpenTechnical

OT-2026-000030026

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000030026) never changes.

Identity and time

Publication numberOT-2026-000030026 · never reused
Internal UUID01a0ae73-ac49-703c-b429-376769097125 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030026
StatusPUBLIC

Content hashes

Canonical text2f1393f6dfff09b86448952d82446217e2c885cd0456a08a0cb4ebed7b29eee4
Markdown6fad7b3b1732923c5d157abc8d69bbc1a71181e6bd3a210b85e27d1a4d19da66
PDF
Publication page8ed81637f6884857c750f740e06a358fb19e18be262b3c06185fa39f572643fb
Manifestca92664a5a29d53ec71100f587a73c9743acfe96da7ab1a657ba1122f27d3658

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
Signature4YeTfc6DZAPMhpLNoB/N530s+9mSyyrhT8gR0TkV7O4E4vnqQwh8RHnBGnB5vySJE1kGg7QgUOQ0mgvQVTSACg==
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

2026-09-17T11:38:45.635925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030026
observed 8ed81637f6884857c750f740e06a358f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.617406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030026/manifest.json
observed ca92664a5a29d53ec71100f587a73c97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.599053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030026/publication.md
observed 6fad7b3b1732923c5d157abc8d69bbc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.583039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030026/publication.txt
observed 2f1393f6dfff09b86448952d82446217...
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.