Pith Number

pith:PFCPMBNJ

pith:2015:PFCPMBNJBR4EN52XRCEGW7BFWI

not attested not anchored not stored refs pending

What is the fate of runaway positrons in tokamaks?

Hong Qin, Jian Liu, Nathaniel J. Fisch, Qian Teng, Xiaogang Wang

arxiv:1504.04435 v1 · 2015-04-17 · physics.plasm-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PFCPMBNJBR4EN52XRCEGW7BFWI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:18:32.393279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7944f605a90c7846f75788886b7c25b2004a9bf707e354deda02cb0b8b714e66

Aliases

arxiv: 1504.04435 · arxiv_version: 1504.04435v1 · doi: 10.48550/arxiv.1504.04435 · pith_short_12: PFCPMBNJBR4E · pith_short_16: PFCPMBNJBR4EN52X · pith_short_8: PFCPMBNJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PFCPMBNJBR4EN52XRCEGW7BFWI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7944f605a90c7846f75788886b7c25b2004a9bf707e354deda02cb0b8b714e66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2374ac4afdd77241b4116e318b46cdcde683e0990bb815e2f3cc765cf879f119",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2015-04-17T03:52:23Z",
    "title_canon_sha256": "2f9fb54208a7db696dbe12e1b5be324ca3af3567f50db1aea9763864080e33bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04435",
    "kind": "arxiv",
    "version": 1
  }
}