OpenTechnical

OT-2026-000057004

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000057004) never changes.

Identity and time

Publication numberOT-2026-000057004 · never reused
Internal UUID01a0ae87-d5b5-7e99-ad1a-6ec6ae1a256d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057004
StatusPUBLIC

Content hashes

Canonical text068090c5a77e1ef29eb0e49da9ccfcfe4a09e489f6cf31a80d106407a7275a64
Markdown13efc573d85eee75d3fb7bc9e4e7bbfa3565f5ced3e26805c035abd22ebb88ff
PDF
Publication page62d97916b3cbd6a77454e0283a76b2b5e275d489190f6743e0c74d39b8d0bfde
Manifest3a7b1d7099863f57a90297468069c204b36793ffa04b02b650f101a75c64060b

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
Signature+iGtwamHyrxskdApchyjtN+ioIgS+TYFZUKrG0YyI0PNTk3Q8Im62yVvRCp4N/V96u1h5Jqw/1dDsLelEoKvBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:28.688143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057004
observed 62d97916b3cbd6a77454e0283a76b2b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.668940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057004/manifest.json
observed 3a7b1d7099863f57a90297468069c204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.652011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057004/publication.md
observed 13efc573d85eee75d3fb7bc9e4e7bbfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.634474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057004/publication.txt
observed 068090c5a77e1ef29eb0e49da9ccfcfe...
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.