OpenTechnical

OT-2026-000014789

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000014789) never changes.

Identity and time

Publication numberOT-2026-000014789 · never reused
Internal UUID01a0ae6d-d094-79e6-9ef1-4ff64a5faa83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014789
StatusPUBLIC

Content hashes

Canonical textbbc21e56f0b0a598db0982c63efdd57bf12772fccc7800dedecc4db73e9b824c
Markdown85c62c577f0ec8588481c71107973ab8d0a5a597ebb31cc038b6b2fbe336d9fd
PDF
Publication pagee3df4a2e2987792ed91845ee8d40677f5e8e5973dbbb0f05c30607b5fea8678c
Manifestcd6e7dfe00ed4c0b42a769676613cc0c9112eebdff909e97575fd22c32ed9ed6

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
SignatureVm1rF2iV+/Osl6tPWDZeX2BPTTL2PnetxzgcRVHQo4QfzQ3+QortkVvgLaF4+xLbY24tvBmEE8nunyI51fWuAQ==
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

2026-09-17T12:06:40.924568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014789
observed e3df4a2e2987792ed91845ee8d40677f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.906056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014789/manifest.json
observed cd6e7dfe00ed4c0b42a769676613cc0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.888096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014789/publication.md
observed 85c62c577f0ec8588481c71107973ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.867999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014789/publication.txt
observed bbc21e56f0b0a598db0982c63efdd57b...
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.