OpenTechnical

OT-2026-000039483

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000039483) never changes.

Identity and time

Publication numberOT-2026-000039483 · never reused
Internal UUID01a0ae78-9675-79c1-b9d6-db465c4c9b0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039483
StatusPUBLIC

Content hashes

Canonical text798a7ca4bde807e4634044380d1bf2cd1e4c520439d83ecb4e731ab5f7268cd7
Markdown713fe8188184295917256b0af2b35026a592c586fb8b1b03d5c47876df528209
PDF
Publication page6208ad3db91d1cf9dbe5020b6c3959bc726e95d777ce2a1c830557a63d6ba09a
Manifestc3c2382fa88ce21fabd89caff59ff8ef29ab547f47a0e17c1d54e9a43d19fb93

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
Signature1mUN+AIMsBbGpeKEYNFkxulflhDdEbhP/ArZxNgWUgqD26P3J/n8oWq0p27pVIdw/3VFZ1PqHbyWXmCvLIRVBg==
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

2026-09-17T11:21:06.533248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039483
observed 6208ad3db91d1cf9dbe5020b6c3959bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:06.517168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039483/manifest.json
observed c3c2382fa88ce21fabd89caff59ff8ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:06.500336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039483/publication.md
observed 713fe8188184295917256b0af2b35026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:06.484624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039483/publication.txt
observed 798a7ca4bde807e4634044380d1bf2cd...
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.