OpenTechnical

OT-2026-000039256

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000039256) never changes.

Identity and time

Publication numberOT-2026-000039256 · never reused
Internal UUID01a0ae78-9674-7806-bd49-08df11d59cc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039256
StatusPUBLIC

Content hashes

Canonical text40826983701fadd03a8555526fe9cf1122065c4036233dfc2c740b4f58418646
Markdown4df7229284a2a4b2367bbcf5d4e1624c05c5a97ada58f789c343db2007207956
PDF
Publication page8273db7924fb1136043b2490e126eb0680221aa658fa7d38dcfbcfd51aeefdb5
Manifest62e08b3ae8aaadde51a9d986c05ffdb0d8d1d1580abcbe4780fe5f7d1a0efb06

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/x60jWmYDijIdbAcno4OXx/+GEEyukLKYwF2h6d3OTqRAZ1Iqf6nXPrgcO6jaJjJ9Cks/jW8kZItxrSDvsaDCA==
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

2026-09-17T11:20:49.017155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039256
observed 8273db7924fb1136043b2490e126eb06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:48.999502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039256/manifest.json
observed 62e08b3ae8aaadde51a9d986c05ffdb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:48.982715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039256/publication.md
observed 4df7229284a2a4b2367bbcf5d4e1624c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:48.964236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039256/publication.txt
observed 40826983701fadd03a8555526fe9cf11...
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.