Pith Number

pith:YU4QSG55

pith:2015:YU4QSG55ZEVECOVQDKCJEA7RVG

not attested not anchored not stored refs pending

An Overview of the New Test Stand for H- Ion Sources at FNAL

A. Sosa, C.Y. Tan (Fermilab), D.S. Bollinger, K. Duel, P. Karns, W. Pellico

arxiv:1511.01924 v1 · 2015-11-05 · physics.acc-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{YU4QSG55ZEVECOVQDKCJEA7RVG}

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	2026-05-18T01:27:21.866634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c539091bbdc92a413ab01a849203f1a99db26820eacba465369e171d47edaa87

Aliases

arxiv: 1511.01924 · arxiv_version: 1511.01924v1 · doi: 10.48550/arxiv.1511.01924 · pith_short_12: YU4QSG55ZEVE · pith_short_16: YU4QSG55ZEVECOVQ · pith_short_8: YU4QSG55

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/YU4QSG55ZEVECOVQDKCJEA7RVG \
  | 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: c539091bbdc92a413ab01a849203f1a99db26820eacba465369e171d47edaa87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cdfe09e9cd667fed7537f97fd3acd3c4f511fa3c1d5d5dc88d7e2ff5c36b24b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2015-11-05T21:46:03Z",
    "title_canon_sha256": "48663e5bbd16b83a419c75008596009051651894bd8a02545aec588779a36ffe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01924",
    "kind": "arxiv",
    "version": 1
  }
}