Pith Number

pith:RCMDNYKD

pith:2013:RCMDNYKDFHBF6GKIYX3OZTORIK

not attested not anchored not stored refs pending

X-ray emission from RX J1720.1+2638 and Abell 267: a comparison between a fossil and a non-fossil system

Elena Jim\'enez-Bail\'on, J. Alfonso L. Aguerri, M\'onica Lozada-Mu\~noz

arxiv:1302.5438 v1 · 2013-02-21 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCMDNYKDFHBF6GKIYX3OZTORIK}

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	2026-05-18T01:51:34.278491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

889836e14329c25f1948c5f6eccdd1429c33608eb7daeca70c66af42f1ecb15b

Aliases

arxiv: 1302.5438 · arxiv_version: 1302.5438v1 · doi: 10.48550/arxiv.1302.5438 · pith_short_12: RCMDNYKDFHBF · pith_short_16: RCMDNYKDFHBF6GKI · pith_short_8: RCMDNYKD

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/RCMDNYKDFHBF6GKIYX3OZTORIK \
  | 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: 889836e14329c25f1948c5f6eccdd1429c33608eb7daeca70c66af42f1ecb15b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e0e3456dee8104453decd52c55cdc2dd27e7e02961e701725d8582c84cbeea3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-21T21:33:26Z",
    "title_canon_sha256": "eaad2f15a2566f1a02fe1550d193122ad4f55c7094a72c84f9019eda9eaf3f2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5438",
    "kind": "arxiv",
    "version": 1
  }
}