OpenTechnical

OT-2026-000014913

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000014913) never changes.

Identity and time

Publication numberOT-2026-000014913 · never reused
Internal UUID01a0ae6d-d095-7e63-a606-e5d8c1b6d6ed · 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-2026-000014913
StatusPUBLIC

Content hashes

Canonical textecd542610fa928c1dfbf8d6b990706fb9eb470d75afd89b19d44a38587396402
Markdown8ce24455f7ed6eeb3564383e741ee917d1e4ddac9554c9506631c1b8b56ce566
PDF
Publication pagedf7df373b124a0d57ab50cebec2d3f6546d7aa6fcdae7077f8437a03486e2041
Manifestdb38ef2b1259d09ecf515ee0dc7fbae7cc2ad17a26d784f4a6453ee6a0c18cd9

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
SignatureokW8y9s7MDhbky6bzrlzAusg+0qVPOnIn2w0pwPDfxQ+EZPLT+9W/OM3gGry92Eqp2HIkTIK/nP5bjZZQ3RkCA==
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

2026-09-17T12:06:50.919775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014913
observed df7df373b124a0d57ab50cebec2d3f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:50.902820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014913/manifest.json
observed db38ef2b1259d09ecf515ee0dc7fbae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:50.885504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014913/publication.md
observed 8ce24455f7ed6eeb3564383e741ee917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:50.866396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014913/publication.txt
observed ecd542610fa928c1dfbf8d6b990706fb...
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.