Pith Number

pith:TZV2IQ4T

pith:2011:TZV2IQ4TKNA2I5XVCOL26WZ7LL

not attested not anchored not stored refs pending

The Luminosity Profile and Structural Parameters of the Andromeda Galaxy

2. MIT/Kavli, 3. UCO/Lick, 4. UWash, 5. Harvard/CfA, 6. Univ. of Virginia), Karoline M. Gilbert (4), Lawrence M. Widrow (1), Michael McDonald (2), Puragra Guhathakurta (3), Rachael Lynn Beaton, Stephane Courteau, Steven R. Majewski (6) (1. Queen's Univ, Yucong Zhu (5)

arxiv:1106.3564 v1 · 2011-06-17 · 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{TZV2IQ4TKNA2I5XVCOL26WZ7LL}

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	2026-05-18T02:01:35.448454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e6ba443935341a476f51397af5b3f5ac7793004fcc9cd546782e389c288dc0f

Aliases

arxiv: 1106.3564 · arxiv_version: 1106.3564v1 · doi: 10.48550/arxiv.1106.3564 · pith_short_12: TZV2IQ4TKNA2 · pith_short_16: TZV2IQ4TKNA2I5XV · pith_short_8: TZV2IQ4T

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/TZV2IQ4TKNA2I5XVCOL26WZ7LL \
  | 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: 9e6ba443935341a476f51397af5b3f5ac7793004fcc9cd546782e389c288dc0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4bbcbe510840e57270ef49ad80f6212cbc9c201a0f53ff85b5d6da146c736ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-17T20:00:01Z",
    "title_canon_sha256": "0782d7fb3308e3f919653a4d51e978f4dfc5a387a32f951933322c9cbe55000b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3564",
    "kind": "arxiv",
    "version": 1
  }
}