OpenTechnical

OT-2026-000039576

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000039576) never changes.

Identity and time

Publication numberOT-2026-000039576 · never reused
Internal UUID01a0ae78-d8d3-795f-8b3b-3d4faa00c123 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039576
StatusPUBLIC

Content hashes

Canonical text67f225961a10ebce78295fbb4629a68ee3b473e59b2dd90f9d1ea29529262b81
Markdowndbfb0a65091c0f87ccfc0d2d2553b4273dd194f2ea67325eed8f80dfc698add3
PDF
Publication page71dfc85765f795713a55a25cbfe85d74ddcc8a843952e8700bfe799a5ab75e71
Manifestfd0ab3be1d3005bc1618b81a66492c871c0ac9f6b93fd8a58d43631030233d60

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
Signature+CbvNftfOdhtAYJMhMmdTypLOUleKaDhXh0FbVMdKvQlt3YBEMh6Fk4afyVyZEjbC6NMijXLMe/RQzH+wy27BQ==
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

2026-09-17T11:19:37.901436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039576
observed 71dfc85765f795713a55a25cbfe85d74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:37.881211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039576/manifest.json
observed fd0ab3be1d3005bc1618b81a66492c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:37.831433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039576/publication.md
observed dbfb0a65091c0f87ccfc0d2d2553b427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:37.781464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039576/publication.txt
observed 67f225961a10ebce78295fbb4629a68e...
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.