Pith Number

pith:FL4DMHAT

pith:2005:FL4DMHATNESIFUFSST76JEJ5X4

not attested not anchored not stored refs pending

Dark Matter and The Anthropic Principle

Johannes Walcher, Simeon Hellerman

arxiv:hep-th/0508161 v1 · 2005-08-23 · hep-th · 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{FL4DMHATNESIFUFSST76JEJ5X4}

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	2026-05-18T03:24:21.612588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2af8361c13692482d0b294ffe4913dbf2678be2317256d8f3bbc84621fbcc8fd

Aliases

arxiv: hep-th/0508161 · arxiv_version: hep-th/0508161v1 · doi: 10.48550/arxiv.hep-th/0508161 · pith_short_12: FL4DMHATNESI · pith_short_16: FL4DMHATNESIFUFS · pith_short_8: FL4DMHAT

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/FL4DMHATNESIFUFSST76JEJ5X4 \
  | 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: 2af8361c13692482d0b294ffe4913dbf2678be2317256d8f3bbc84621fbcc8fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d060e8a7ec542ad3645147c25d432495fc3d8181bbe6af4fd085a119c0c6d6ab",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2005-08-23T17:29:25Z",
    "title_canon_sha256": "23750a9572e1daf98aa8518c8991afce4ad5913ccdf4351e4fc8331dbe79b8e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0508161",
    "kind": "arxiv",
    "version": 1
  }
}