OpenTechnical

OT-2026-000081933

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down

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-2026-000081933) never changes.

Identity and time

Publication numberOT-2026-000081933 · never reused
Internal UUID01a0ae97-0f76-7c61-b621-c16c5dac48ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081933
StatusPUBLIC

Content hashes

Canonical text3c26220e5efc5d41046e34988bdb07accf749e40f537e605bf28d0e09e8b031a
Markdownb33c3ffa8fc3320f859a1795a06593f7a02a124c80ec1dee26ba5249492ed195
PDF
Publication page953792d7380e9a81206ab63acd30f70c7f4c9a10cdf6293a38fa5a055b3502c0
Manifest252c5c9b5a544e177d7787e180079c0af1ff4e48fec8c18c3133879eaf910064

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
Signature8pcxnkYtws31nH8xwz7zp+i0DcU8DvetnBh7gYMEMC76UqMEwVUMpyRYQ67EIw8q4XETNQCER0apz8jiFjv9Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:03.898114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081933
observed 953792d7380e9a81206ab63acd30f70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.881348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081933/manifest.json
observed 252c5c9b5a544e177d7787e180079c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.863739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081933/publication.md
observed b33c3ffa8fc3320f859a1795a06593f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.844878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081933/publication.txt
observed 3c26220e5efc5d41046e34988bdb07ac...
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.