Pith Number

pith:NUTXX4UP

pith:2004:NUTXX4UP3TWH6CTQAQB2MN6SSY

not attested not anchored not stored refs pending

Do the Unidentified EGRET Sources Trace Annihilating Dark Matter in the Local Group?

F. Prada, J. Cortina, J.E. Taylor, J. Flix, J. Silk, M. Martinez

arxiv:astro-ph/0412419 v1 · 2004-12-16 · 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{NUTXX4UP3TWH6CTQAQB2MN6SSY}

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	2026-05-18T02:40:25.957770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d277bf28fdcec7f0a700403a637d2960293d914598bf91f277af0ba32fe943c

Aliases

arxiv: astro-ph/0412419 · arxiv_version: astro-ph/0412419v1 · doi: 10.48550/arxiv.astro-ph/0412419 · pith_short_12: NUTXX4UP3TWH · pith_short_16: NUTXX4UP3TWH6CTQ · pith_short_8: NUTXX4UP

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/NUTXX4UP3TWH6CTQAQB2MN6SSY \
  | 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: 6d277bf28fdcec7f0a700403a637d2960293d914598bf91f277af0ba32fe943c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c9682981ef148f7b2e4300bc3f9dccf289ad88215695309fe584c7047d2a743",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-16T14:36:23Z",
    "title_canon_sha256": "2f52328c89e9ae605b3449a77d299ff830c0f2f0c6345cf758a415d5615ca163"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412419",
    "kind": "arxiv",
    "version": 1
  }
}