OpenTechnical

OT-2026-000058400

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained blow-off after 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-2026-000058400) never changes.

Identity and time

Publication numberOT-2026-000058400 · never reused
Internal UUID01a0ae88-f39a-722d-b683-e4d9dd6f4f71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058400
StatusPUBLIC

Content hashes

Canonical textd0ba3cd76f89c5dd1731fc5db700aa243eab5eb7d1ec40a54fb4ca9a39c05ccf
Markdown5fcb91b0e0684816f7dbec9070bfd23fd5f2431dc878346fd70528a6c4ac9b88
PDF
Publication page4a182b8424126dffa09c4d1959b6b69cc878875011c91668240cba7b1aab24c6
Manifest11a923c65943b4c2425c62329f59dc32b27ecb9f93ba32e850f3f532b2d029ff

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
SignaturebndsTCKYoRQnUZGpJXokT4NhyiA5kznfKP9aZmEjrcP2n8Hv5Pzuj/3byUrW654UyNv9aIW8e2L//idtmiYmAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:49.794002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058400
observed 4a182b8424126dffa09c4d1959b6b69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.776762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058400/manifest.json
observed 11a923c65943b4c2425c62329f59dc32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.760212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058400/publication.md
observed 5fcb91b0e0684816f7dbec9070bfd23f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.742105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058400/publication.txt
observed d0ba3cd76f89c5dd1731fc5db700aa24...
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.