Pith Number

pith:GEERWOMH

pith:2007:GEERWOMH4POELRFE3H5556EHHR

not attested not anchored not stored refs pending

Red Halos of Galaxies - Reservoirs of Baryonic Dark Matter?

B. Caldwell, C. Flynn, E. Zackrisson, G. Micheva, G. Ostlin, N. Bergvall

arxiv:0708.0762 v1 · 2007-08-06 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GEERWOMH4POELRFE3H5556EHHR}

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	2026-07-04T17:05:03.746398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31091b3987e3dc45c4a4d9fbdef8873c50805bcf1776855f05dbd46ea56bd353

Aliases

arxiv: 0708.0762 · arxiv_version: 0708.0762v1 · doi: 10.48550/arxiv.0708.0762 · pith_short_12: GEERWOMH4POE · pith_short_16: GEERWOMH4POELRFE · pith_short_8: GEERWOMH

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/GEERWOMH4POELRFE3H5556EHHR \
  | 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: 31091b3987e3dc45c4a4d9fbdef8873c50805bcf1776855f05dbd46ea56bd353

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8230bfd028b6e7a4c6c8609bbfca03cd360601b6cd638d559349826a6ea522f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-06T13:40:48Z",
    "title_canon_sha256": "0eb4a92fe93017b248f1e3a646a06c9456beb2e3c24134a860a4610066f2a185"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.0762",
    "kind": "arxiv",
    "version": 1
  }
}