Pith Number

pith:U4XT2LIU

pith:2014:U4XT2LIUDV7RGRCGEX5UXPZHYO

not attested not anchored not stored refs pending

Suzaku Observation of the Black Hole Binary 4U 1630--47 in the Very High State

Aya Kubota, Chris Done, Kohji Tsumura, Mai Shirahata, Megumi Shidatsu, Satoshi Nakahira, Taiki Kawamuro, Takafumi Hori, Takahiro Nagayama, Yoshihiro Ueda

arxiv:1406.5512 v1 · 2014-06-20 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U4XT2LIUDV7RGRCGEX5UXPZHYO}

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

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	2026-05-18T01:42:52.240184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a72f3d2d141d7f13444625fb4bbf27c385af9a5d2988b4ed91b729492c85c235

Aliases

arxiv: 1406.5512 · arxiv_version: 1406.5512v1 · doi: 10.48550/arxiv.1406.5512 · pith_short_12: U4XT2LIUDV7R · pith_short_16: U4XT2LIUDV7RGRCG · pith_short_8: U4XT2LIU

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/U4XT2LIUDV7RGRCGEX5UXPZHYO \
  | 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: a72f3d2d141d7f13444625fb4bbf27c385af9a5d2988b4ed91b729492c85c235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "534c81b149c5719e94cbb7dd561da671d182fafd53ac211be0fea3721fb6b900",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-06-20T20:00:13Z",
    "title_canon_sha256": "7b0df9a1284837b59f470fb358ce9575e888b902ddfae10f5e93d0a4fe50d08a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5512",
    "kind": "arxiv",
    "version": 1
  }
}