OpenTechnical

OT-2026-000040280

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000040280) never changes.

Identity and time

Publication numberOT-2026-000040280 · never reused
Internal UUID01a0ae79-2700-7a92-90fd-92d836cebfa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040280
StatusPUBLIC

Content hashes

Canonical texta6c625169f9a652ec8b76eddd2988a6f161416b2fca91016b073a8068a952457
Markdown5de9a28b06896bb81033571b697e7bb328b7dc1708588bc42debb1578ac13562
PDF
Publication page7a41d4bec05c70aae43836fdcdbdc29c63f0b2542e97c9a0c7a4775ff8df61f9
Manifest49248f1ac4dfcc56b30e692e1963e90b7bfa1924ae4440b338d4f124826e85f9

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
Signature7363/3YV9410hoTHELsFHgQskc0NfNegAZwPDdVrQ3xpIrrSQEwbr0SefA/xOFv+sRNYOMb0a65rAtYFKGYEBQ==
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

2026-09-17T11:19:10.930223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040280
observed 7a41d4bec05c70aae43836fdcdbdc29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:10.913797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040280/manifest.json
observed 49248f1ac4dfcc56b30e692e1963e90b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:10.896249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040280/publication.md
observed 5de9a28b06896bb81033571b697e7bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:10.880359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040280/publication.txt
observed a6c625169f9a652ec8b76eddd2988a6f...
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.