Pith Number

pith:6U5QWDQ4

pith:2013:6U5QWDQ4ZDWFSZ2M4M7CGDP5FB

not attested not anchored not stored refs pending

The narrow X-ray tail and double H-alpha tails of ESO 137-002 in Abell 3627

B. Zhang, C. Jones, C. Sarazin, E. Roediger, G. M. Voit, L. Ji, M. Donahue, M. Sun, P. E. J. Nulsen, W. Forman, X. B. Lin, X. Kong

arxiv:1309.6582 v1 · 2013-09-25 · 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{6U5QWDQ4ZDWFSZ2M4M7CGDP5FB}

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	2026-05-18T02:12:11.727253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f53b0b0e1cc8ec59674ce33e230dfd286a731d949c6ff579ad31a20a73f1d672

Aliases

arxiv: 1309.6582 · arxiv_version: 1309.6582v1 · doi: 10.48550/arxiv.1309.6582 · pith_short_12: 6U5QWDQ4ZDWF · pith_short_16: 6U5QWDQ4ZDWFSZ2M · pith_short_8: 6U5QWDQ4

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/6U5QWDQ4ZDWFSZ2M4M7CGDP5FB \
  | 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: f53b0b0e1cc8ec59674ce33e230dfd286a731d949c6ff579ad31a20a73f1d672

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57eac4dbe2e5fcb1fced6bc80ceed43130fd60ace1c0afa9b982a5e9a0e0f0d8",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-25T17:26:58Z",
    "title_canon_sha256": "05995850aec2bda8da6280b96d0deeb4b00e0f87788906de9aede75709b7a2f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6582",
    "kind": "arxiv",
    "version": 1
  }
}