Pith Number

pith:TQETMXK2

pith:2012:TQETMXK2BFPO4YSFHAM7BBHJRM

not attested not anchored not stored refs pending

The magnetar candidate AX J1818.8-1559

1), (2) IUSS Pavia, (3) AIM-CEA Saclay, (4) INAF - Oss. Astronomico di Roma), A. De Luca (1) ((1) INAF, A. Tiengo (2, D. Gotz (3), G.L. Israel (4), IASF-Milano, P. Esposito (1), S. Mereghetti (1)

arxiv:1208.0249 v1 · 2012-08-01 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQETMXK2BFPO4YSFHAM7BBHJRM}

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	2026-05-18T01:55:24.364949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c09365d5a095eee62453819f084e98b341d865ea5d85f4baf1f6f89868b1c3d

Aliases

arxiv: 1208.0249 · arxiv_version: 1208.0249v1 · doi: 10.48550/arxiv.1208.0249 · pith_short_12: TQETMXK2BFPO · pith_short_16: TQETMXK2BFPO4YSF · pith_short_8: TQETMXK2

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/TQETMXK2BFPO4YSFHAM7BBHJRM \
  | 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: 9c09365d5a095eee62453819f084e98b341d865ea5d85f4baf1f6f89868b1c3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "314dfcdfc823c033671a2a4103275251c78074014f5befd0caee40b8d7473fc0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-08-01T15:00:13Z",
    "title_canon_sha256": "d2dc0ce157db212a40b7976f189805aaf41fc2447f1b230fcc1471a29ecbcab4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0249",
    "kind": "arxiv",
    "version": 1
  }
}