OpenTechnical

OT-2026-000058756

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000058756) never changes.

Identity and time

Publication numberOT-2026-000058756 · never reused
Internal UUID01a0ae89-479c-7b0b-a4e3-642327ee66b4 · 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-2026-000058756
StatusPUBLIC

Content hashes

Canonical textb3087efa305b9b5fd7b71e7b478d8a778737bed07cdf2218d61148d36b1a6801
Markdown4a8d586152d4ea3fdaa2d663d62ec684835b512ed149d95d1e734e8835169cd1
PDF
Publication pagee5cb1f513be3f80f493c50039fce20bac1c6c46dcaf4f84022bd54af1a611ff9
Manifest3c492366a6c3db8a6394d4646b6a14fd652f9cb14185930e7d3856faf3290c12

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
Signaturekso62L9xJliQecwIyuJLIMfg7jodFpoMgo5dNFovSYqOA2P0MEbPrJIoZ6d5n/377UHDtaDgDPsMMhFleImQCA==
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

2026-09-17T10:46:15.796666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058756
observed e5cb1f513be3f80f493c50039fce20ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.776849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058756/manifest.json
observed 3c492366a6c3db8a6394d4646b6a14fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.756581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058756/publication.md
observed 4a8d586152d4ea3fdaa2d663d62ec684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.738690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058756/publication.txt
observed b3087efa305b9b5fd7b71e7b478d8a77...
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.