OpenTechnical

OT-2026-000056999

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000056999) never changes.

Identity and time

Publication numberOT-2026-000056999 · never reused
Internal UUID01a0ae87-d5b5-7b56-93be-00e67af01a53 · 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-2026-000056999
StatusPUBLIC

Content hashes

Canonical text6e5e9d2cf97a05911ea7273c0657aa2d6bb5320966613f3181d2049610d756e7
Markdownbdd6e21328349b2f7e5301ea3e638254b630978c8e4a8f285487b025a8d4515e
PDF
Publication page512efa78bd92e1004e8ce71f9f5d267707391cf4e8e50106647084f58932bab7
Manifest4367c54127f1de82619083b1829df3bbb838453bdbc31ef993dacd81feec09bc

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
SignaturezcD2HTiNzkOCAhrIHkzFKqehRcg6BH2LT3kVSTzMZWkuBhpAk8EbZ8gG41GpA6SRK8uolimel9Ee4NTwRs63Dg==
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

2026-09-17T10:48:28.318350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056999
observed 512efa78bd92e1004e8ce71f9f5d2677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.301812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056999/manifest.json
observed 4367c54127f1de82619083b1829df3bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.284939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056999/publication.md
observed bdd6e21328349b2f7e5301ea3e638254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.268301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056999/publication.txt
observed 6e5e9d2cf97a05911ea7273c0657aa2d...
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.