OpenTechnical

OT-2026-000040669

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000040669) never changes.

Identity and time

Publication numberOT-2026-000040669 · never reused
Internal UUID01a0ae79-6d0e-76ff-b070-0e2023b4756b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040669
StatusPUBLIC

Content hashes

Canonical text1423f563fbec63f1fc4318308e7a58f9cfbf2965c34f6e650d847c54c1d95a65
Markdownd5233bddb49ab727b7d286171871c145e3e88ef16e46c1bed0cec554419a25b1
PDF
Publication page11239e6aeeb28e559ec5142a08ef9fe55ebc278d522ea106d10ece9e632955fc
Manifest84574a0e42189cd4b6e4bc6fe477e85f54288804e53281a53da7431dab8c6d57

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
Signatureii3Kom/QPXYIf8hDClbbeJ79EoFnkretAQ7rccGeWwkD6nw+aoCDX7LEN7oHLmpsGpD2trbUIPYRkJ7AmS88Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:51.717293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040669
observed 11239e6aeeb28e559ec5142a08ef9fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:51.700492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040669/manifest.json
observed 84574a0e42189cd4b6e4bc6fe477e85f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:51.682840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040669/publication.md
observed d5233bddb49ab727b7d286171871c145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:51.665860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040669/publication.txt
observed 1423f563fbec63f1fc4318308e7a58f9...
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.