OpenTechnical

OT-2026-000058953

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000058953) never changes.

Identity and time

Publication numberOT-2026-000058953 · never reused
Internal UUID01a0ae89-479f-7da3-89c1-4b21a622d770 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058953
StatusPUBLIC

Content hashes

Canonical text5c71465cd4410da8a1264e728e2b0e5bc79e6fb4ad41f18f1b91e8632d75994a
Markdown9d49d39b069305d7d177dbb9d9e503d869ca0d0e3129e071ae6c4a18b6bfd59d
PDF
Publication page40564e5adeadcbad1eea3da074fa51db6cb176c4b4d777b99a445e5c87a27279
Manifest1d602615e5d95c1693825833280df4c6ee83d186af41e28e0ef2ed51e9d47840

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
SignaturekqvEDm75c1EBTj1R45pusNJ0ptrPcnDDJS1VsFBsUWA/ymzVXtUO9gjOtVlcUkCzUYW4JMUNcIMCqBHE21AYCw==
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

2026-09-17T10:46:31.798332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058953
observed 40564e5adeadcbad1eea3da074fa51db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:31.782334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058953/manifest.json
observed 1d602615e5d95c1693825833280df4c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:31.766024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058953/publication.md
observed 9d49d39b069305d7d177dbb9d9e503d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:31.748202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058953/publication.txt
observed 5c71465cd4410da8a1264e728e2b0e5b...
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.