Pith Number

pith:XWNXKD4T

pith:2010:XWNXKD4T3MFSZFQNS56I5CJCXO

not attested not anchored not stored refs pending

XMM-Newton Observation of the Northwest Radio Relic Region in Abell 3667

A. Finoguenov, C.L. Sarazin, D.R. Wik, K. Nakazawa, T.E. Clarke

arxiv:1004.2331 v1 · 2010-04-14 · astro-ph.CO · 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{XWNXKD4T3MFSZFQNS56I5CJCXO}

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	2026-05-18T02:08:05.852591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd9b750f93db0b2c960d977c8e8922bbb6bb327b392d5500d155b166ce9e0501

Aliases

arxiv: 1004.2331 · arxiv_version: 1004.2331v1 · doi: 10.48550/arxiv.1004.2331 · pith_short_12: XWNXKD4T3MFS · pith_short_16: XWNXKD4T3MFSZFQN · pith_short_8: XWNXKD4T

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/XWNXKD4T3MFSZFQNS56I5CJCXO \
  | 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: bd9b750f93db0b2c960d977c8e8922bbb6bb327b392d5500d155b166ce9e0501

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a0b0b846b7ddf219fbe1432b315399cfaca5edfabbd8dcd771de8ae1e5e48e5",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-14T07:15:58Z",
    "title_canon_sha256": "38cd64ead4f9dba05eda4562a939a196be559772abfc5da4db2a1869323e5b2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2331",
    "kind": "arxiv",
    "version": 1
  }
}