OpenTechnical

OT-2026-000022085

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000022085) never changes.

Identity and time

Publication numberOT-2026-000022085 · never reused
Internal UUID01a0ae6f-bb5c-763f-be66-f0756c83e6e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022085
StatusPUBLIC

Content hashes

Canonical texte756503bec7a6d14b2c97e699db2050cb8babc19aba0495553fa630b05c4ce56
Markdownd6188d7f974450394057e2822303c24211c38a2bf5362d8efa39b95ff5ad0f89
PDF
Publication pagebe683fb1244ccf1356bdd211adb1dd0e32f272d77b6053cfc534b03bb5566cc3
Manifest494e47f6664b141974b961b2d5445b5471da1d30405318187d4d65170373ffd1

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
SignatureFepRutXFZSjVP/L2Ku5Ixn2SGu1Ue8gr1hmkvVg7B8o70NysX6IH2pccNY9ZfswNKlaGLXH45agYJLna3V/LAA==
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

2026-09-17T11:54:46.896913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022085
observed be683fb1244ccf1356bdd211adb1dd0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.878558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022085/manifest.json
observed 494e47f6664b141974b961b2d5445b54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.860923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022085/publication.md
observed d6188d7f974450394057e2822303c242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.843400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022085/publication.txt
observed e756503bec7a6d14b2c97e699db2050c...
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.