Pith Number

pith:R7HE32G2

pith:2013:R7HE32G2HNSRO3VMFUN2JKBB62

not attested not anchored not stored refs pending

A new way of detecting intergalactic baryons

Lingze Duan, Richard Lieu

arxiv:1301.0295 v2 · 2013-01-02 · 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{R7HE32G2HNSRO3VMFUN2JKBB62}

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	2026-05-18T01:52:22.163582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fce4de8da3b65176eac2d1ba4a821f6a662b2e8f294e06870c74cd395426d43

Aliases

arxiv: 1301.0295 · arxiv_version: 1301.0295v2 · doi: 10.48550/arxiv.1301.0295 · pith_short_12: R7HE32G2HNSR · pith_short_16: R7HE32G2HNSRO3VM · pith_short_8: R7HE32G2

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/R7HE32G2HNSRO3VMFUN2JKBB62 \
  | 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: 8fce4de8da3b65176eac2d1ba4a821f6a662b2e8f294e06870c74cd395426d43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcc2fe7d1026052b3ebc25538c986a3a9dbc937cf474c1a154d49c29dea6f7e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-02T19:41:41Z",
    "title_canon_sha256": "1abd0c1b109b16a741cd096ea05e4440a6d7b000821e922afa0578793515dbc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0295",
    "kind": "arxiv",
    "version": 2
  }
}