Pith Number

pith:IX5W3OOM

pith:2012:IX5W3OOMR4FB3U2VZUNQM27IY7

not attested not anchored not stored refs pending

Are Large, Cometary-Shaped Proplyds really (free-floating) EGGs?

M. R. Morris, R. Guesten, R. Sahai

arxiv:1211.0345 v1 · 2012-11-02 · 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{IX5W3OOMR4FB3U2VZUNQM27IY7}

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	2026-05-18T01:53:26.761569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45fb6db9cc8f0a1dd355cd1b066be8c7fc557235bc139bba4fd7c5c226948799

Aliases

arxiv: 1211.0345 · arxiv_version: 1211.0345v1 · doi: 10.48550/arxiv.1211.0345 · pith_short_12: IX5W3OOMR4FB · pith_short_16: IX5W3OOMR4FB3U2V · pith_short_8: IX5W3OOM

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/IX5W3OOMR4FB3U2VZUNQM27IY7 \
  | 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: 45fb6db9cc8f0a1dd355cd1b066be8c7fc557235bc139bba4fd7c5c226948799

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "071e5eb806b40825ff9dd8c6f1e3c2a5411d92ab2181b4237130797bf22a33fb",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-11-02T01:42:31Z",
    "title_canon_sha256": "a86b351b4aca48848445ee306dfa15afebab9f5bce47155f70cbf21d45f073f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0345",
    "kind": "arxiv",
    "version": 1
  }
}