Pith Number

pith:AE4KUFGU

pith:2007:AE4KUFGUWSPXGRYX5E4LWFDIRM

not attested not anchored not stored refs pending

Determining the Nature of Dark Matter with Astrometry

James S. Bullock, Louis E. Strigari, Manoj Kaplinghat

arxiv:astro-ph/0701581 v1 · 2007-01-19 · 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{AE4KUFGUWSPXGRYX5E4LWFDIRM}

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	2026-07-04T17:07:26.853477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0138aa14d4b49f734717e938bb14688b10da9a5696fc1c231247625c82c89bb7

Aliases

arxiv: astro-ph/0701581 · arxiv_version: astro-ph/0701581v1 · doi: 10.48550/arxiv.astro-ph/0701581 · pith_short_12: AE4KUFGUWSPX · pith_short_16: AE4KUFGUWSPXGRYX · pith_short_8: AE4KUFGU

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/AE4KUFGUWSPXGRYX5E4LWFDIRM \
  | 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: 0138aa14d4b49f734717e938bb14688b10da9a5696fc1c231247625c82c89bb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff3a7070d8b99391a1977c8a159078ca6845e0db0b6d2ec9f0bb5f629a3ba4cc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-19T21:06:42Z",
    "title_canon_sha256": "159822441bed46496c02e5ecef290fbfe28d737f792b05b9c4d93e4409755eae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701581",
    "kind": "arxiv",
    "version": 1
  }
}