Pith Number

pith:ATHQNFMJ

pith:2012:ATHQNFMJDCGJH6RCLZNQWPGNCA

not attested not anchored not stored refs pending

Spectroscopic evidence of charge exchange X-ray emission from galaxies

Jiren Liu, Q. Daniel Wang

arxiv:1204.3356 v1 · 2012-04-16 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ATHQNFMJDCGJH6RCLZNQWPGNCA}

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	2026-05-18T01:57:52.305664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04cf069589188c93fa225e5b0b3ccd101093ec902e5bda422214a60e8c1e1ef9

Aliases

arxiv: 1204.3356 · arxiv_version: 1204.3356v1 · doi: 10.48550/arxiv.1204.3356 · pith_short_12: ATHQNFMJDCGJ · pith_short_16: ATHQNFMJDCGJH6RC · pith_short_8: ATHQNFMJ

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/ATHQNFMJDCGJH6RCLZNQWPGNCA \
  | 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: 04cf069589188c93fa225e5b0b3ccd101093ec902e5bda422214a60e8c1e1ef9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "257e49c63a3176ba5fab5cdd1a41c1cc9043afaf8c57a4574774b8f53786e144",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-04-16T03:57:45Z",
    "title_canon_sha256": "26d71220267699cd6f4986aeb785a035bae94c4611dcd85d8d87010408bf9607"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3356",
    "kind": "arxiv",
    "version": 1
  }
}