Pith Number

pith:AAUADGUK

pith:2011:AAUADGUKWXFE67OKOG3ABWNNLI

not attested not anchored not stored refs pending

A Two-dimensional Map of Color Excess in NGC 3603

Anna Pasquali, Eva K. Grebel, Xiaoying Pang

arxiv:1108.2032 v1 · 2011-08-09 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AAUADGUKWXFE67OKOG3ABWNNLI}

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	2026-05-18T02:00:59.638978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0028019a8ab5ca4f7dca71b600d9ad5a2ce7a70f80beed165fa5fecbdd1869c2

Aliases

arxiv: 1108.2032 · arxiv_version: 1108.2032v1 · doi: 10.48550/arxiv.1108.2032 · pith_short_12: AAUADGUKWXFE · pith_short_16: AAUADGUKWXFE67OK · pith_short_8: AAUADGUK

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/AAUADGUKWXFE67OKOG3ABWNNLI \
  | 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: 0028019a8ab5ca4f7dca71b600d9ad5a2ce7a70f80beed165fa5fecbdd1869c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d23204800583dc8a05cd9b8ef15fff05f82740b083d73b625cd8820e2ed76fcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-08-09T20:00:01Z",
    "title_canon_sha256": "0f5912ba28fecacbdc93befc0b6be0a449ff5f431506db9145f4108d0ba7023b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2032",
    "kind": "arxiv",
    "version": 1
  }
}