Pith Number

pith:4SWGZPCZ

pith:2010:4SWGZPCZZ2XBU3P5NQ5REFQZY7

not attested not anchored not stored refs pending

Searching for dark clouds in the outer galactic plane I -- A statistical approach for identifying extended red(dened) regions in 2MASS

Russell F. Shipman, Wilfred W.F. Frieswijk

arxiv:1005.4955 v1 · 2010-05-26 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SWGZPCZZ2XBU3P5NQ5REFQZY7}

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	2026-05-18T02:07:07.596023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4ac6cbc59ceae1a6dfd6c3b121619c7e93ef7ccdb063452dc3e6f5444b33e79

Aliases

arxiv: 1005.4955 · arxiv_version: 1005.4955v1 · doi: 10.48550/arxiv.1005.4955 · pith_short_12: 4SWGZPCZZ2XB · pith_short_16: 4SWGZPCZZ2XBU3P5 · pith_short_8: 4SWGZPCZ

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/4SWGZPCZZ2XBU3P5NQ5REFQZY7 \
  | 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: e4ac6cbc59ceae1a6dfd6c3b121619c7e93ef7ccdb063452dc3e6f5444b33e79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb2031c4f5244b7aea040819f074e17598cfc45a06a6ec1d9c18c8ecbe9f759a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-05-26T21:23:33Z",
    "title_canon_sha256": "b96e5938498a138326ff5bda4d98f1f4a82392a375b1c57633457172ff6597ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.4955",
    "kind": "arxiv",
    "version": 1
  }
}