OpenTechnical

OT-2026-000056928

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000056928) never changes.

Identity and time

Publication numberOT-2026-000056928 · never reused
Internal UUID01a0ae87-7af9-7cf7-a8d7-84fa5e02e8eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056928
StatusPUBLIC

Content hashes

Canonical text39beec5ac052b9d8ae44438a2c1925b038945ad4438affbd4b17dfb519b7c2ff
Markdownd3fd0a8cdaca000857277ceb45d4886d8101ac48bfedca31265ae626006f2d01
PDF
Publication pagedf81fbae67525a88270790092d594784a693783738beae9c11f785628d48579b
Manifest83e202e5ee301861cef728d1872083563bbb30286d53b24074fbaba991506550

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/MhRuDE6aGQWT61KrVFxXeLgn1Ic1txf7xiHewkFxEYN++4Yp2M3sanELWbh1OLJpS2wYi8QvCVJq/MBye2ZDA==
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

2026-09-17T10:50:28.577690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056928
observed df81fbae67525a88270790092d594784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.560613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056928/manifest.json
observed 83e202e5ee301861cef728d187208356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.540864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056928/publication.md
observed d3fd0a8cdaca000857277ceb45d4886d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.523789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056928/publication.txt
observed 39beec5ac052b9d8ae44438a2c1925b0...
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.