OpenTechnical

OT-2026-000030009

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump 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-2026-000030009) never changes.

Identity and time

Publication numberOT-2026-000030009 · never reused
Internal UUID01a0ae73-ac49-7edc-b314-17ed523a7e30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030009
StatusPUBLIC

Content hashes

Canonical text0fd77919e73c99fa51a7f5b5d844a39d47a8dafeebe3ed13ba432017d22a1f87
Markdown2a171d306435e91eb8aa14ab5d470d8675669be67cd6c12f919f90f120ac6bde
PDF
Publication page7e1a95a47e7e92604583f6f7cd1137d038a38ed93d360668249c538447cc56ea
Manifest70365f1fd1dc58402f744e327af6a15132261b3e4d14ca7ccc81390f93dbaee9

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
SignatureTN7C6LdlDhf7AeeRxM3cY/bU3PPil6mzjnuRmzi4042OXFtoTKV2W0zMYnB1Cu15oW1T4DintjexyitsDYvxAg==
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

2026-09-17T11:38:44.394595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030009
observed 7e1a95a47e7e92604583f6f7cd1137d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.378699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030009/manifest.json
observed 70365f1fd1dc58402f744e327af6a151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.359082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030009/publication.md
observed 2a171d306435e91eb8aa14ab5d470d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.340990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030009/publication.txt
observed 0fd77919e73c99fa51a7f5b5d844a39d...
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.