Pith Number

pith:5Q5K5G5D

pith:2019:5Q5K5G5D6KEG73EMGKGGO2RSJP

not attested not anchored not stored refs pending

Enlightening the dark ages with dark matter

Alvise Raccanelli, Jens Chluba, Jos\'e Luis Bernal, Katie Short, Licia Verde

arxiv:1912.07409 v1 · 2019-12-16 · 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{5Q5K5G5D6KEG73EMGKGGO2RSJP}

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

Dark ages bounds on non-accreting massive compact halo objects

Receipt and verification

First computed	2026-07-05T01:20:50.483937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec3aae9ba3f2886fec8c328c676a324bcdca15704eb81a70cd72a6c0eb2b6ebb

Aliases

arxiv: 1912.07409 · arxiv_version: 1912.07409v1 · doi: 10.48550/arxiv.1912.07409 · pith_short_12: 5Q5K5G5D6KEG · pith_short_16: 5Q5K5G5D6KEG73EM · pith_short_8: 5Q5K5G5D

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/5Q5K5G5D6KEG73EMGKGGO2RSJP \
  | 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: ec3aae9ba3f2886fec8c328c676a324bcdca15704eb81a70cd72a6c0eb2b6ebb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "156c8c9b372af79b568539b20e93ddf27fc3e2d77604069109a79aeea340201a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-12-16T14:37:19Z",
    "title_canon_sha256": "8a30433f5c4094bd4390d9b8e42329c6bd5da7919224f15b4a377b07190103ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.07409",
    "kind": "arxiv",
    "version": 1
  }
}