Pith Number

pith:ZDRANDDS

pith:2013:ZDRANDDS5JHY3FUL7YR3HSTG6M

not attested not anchored not stored refs pending

How Cold is Cold Dark Matter?

Cristian Armendariz-Picon, Jayanth T. Neelakanta

arxiv:1309.6971 v2 · 2013-09-26 · 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{ZDRANDDS5JHY3FUL7YR3HSTG6M}

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.

Cited by

1 paper in Pith

Slow Quanta Bound States and a Possible Link to Dark Matter

Receipt and verification

First computed	2026-05-18T02:55:18.296988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8e2068c72ea4f8d968bfe23b3ca66f3218d51d6f212037aa613bb35fd184154

Aliases

arxiv: 1309.6971 · arxiv_version: 1309.6971v2 · doi: 10.48550/arxiv.1309.6971 · pith_short_12: ZDRANDDS5JHY · pith_short_16: ZDRANDDS5JHY3FUL · pith_short_8: ZDRANDDS

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/ZDRANDDS5JHY3FUL7YR3HSTG6M \
  | 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: c8e2068c72ea4f8d968bfe23b3ca66f3218d51d6f212037aa613bb35fd184154

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "339f75caae9fc21b42d0ccaa7436e3fbd2235f5bb6b0ac282204da8470b1abae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-26T17:06:29Z",
    "title_canon_sha256": "a35897c9bd15e83cdb1dcdbccba1b4e4c6ec916eed5e529319aa7b3552a12691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6971",
    "kind": "arxiv",
    "version": 2
  }
}