OpenTechnical

OT-2026-000087068

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000087068) never changes.

Identity and time

Publication numberOT-2026-000087068 · never reused
Internal UUID01a0ae9a-9f2d-7bf2-94a5-8291a671c35e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087068
StatusPUBLIC

Content hashes

Canonical texteabb7578ade7bc1c170a11536dc7a1349458f27cf87826a85d8c08389c333c63
Markdown01bb0502fabcef246be512b367cbf2392bb4892c9c58567bab07431dc3eec808
PDF
Publication page69f8e5c5425cbada98caa98e73c3d0bbe1dd9a8d8a75a0f82e27f6cf9572e146
Manifestc92a4022895a6fc6703bf2b3899c3036c124e9f4577204661d08137be143ae6b

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
SignatureN/J+21u9SNycZCpqYcdnB7/IWfqDraVDPXFQ+rZk/8AhZieBPOVV07bDvcw79VRaAaZQLEhBewP6tcFzDyciBw==
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

2026-09-17T09:51:19.277127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087068
observed 69f8e5c5425cbada98caa98e73c3d0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.261745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087068/manifest.json
observed c92a4022895a6fc6703bf2b3899c3036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.243365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087068/publication.md
observed 01bb0502fabcef246be512b367cbf239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.228124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087068/publication.txt
observed eabb7578ade7bc1c170a11536dc7a134...
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.