OpenTechnical

OT-2026-000041772

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed 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-2026-000041772) never changes.

Identity and time

Publication numberOT-2026-000041772 · never reused
Internal UUID01a0ae79-e8a2-7cd4-aef2-57d93b934121 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041772
StatusPUBLIC

Content hashes

Canonical text31e3a2530bb2d55d14bf846a86c4279df7b82762fe00e4a6c2df4bc9dc6d1944
Markdownd09a4a863d8940ffd0021df39fd6439c7330b2f4857e5992915367b157e73295
PDF
Publication page9de4c0c8f2939fa0f67a328fafea64394a242db9819b911a9e0c2ff4e58a13ca
Manifestc3b56d7b127ab7011c10908c35593302a832875ffc0b17693b77bdfffa1d65d3

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
SignaturetZhwJ4e8yPZRFG42l05uixrZT4GR4Y7eRHC/d6+kcQKi4/0NA2Qwst9drDVGWS6p9tr56ut5D4BpPX+EGO1pAw==
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

2026-09-17T11:16:37.334087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041772
observed 9de4c0c8f2939fa0f67a328fafea6439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.317279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041772/manifest.json
observed c3b56d7b127ab7011c10908c35593302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.300314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041772/publication.md
observed d09a4a863d8940ffd0021df39fd6439c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.282408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041772/publication.txt
observed 31e3a2530bb2d55d14bf846a86c4279d...
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.