Pith Number

pith:5RQBXCJ7

pith:2012:5RQBXCJ72P2AQDDHQJ45TTOZRC

not attested not anchored not stored refs pending

Photoevaporating Proplyd-like objects in Cygnus OB2

Janet E. Drew, Jeremy J. Drake, Joseph L. Hora, Kathleen E. Kraemer, Mario G. Guarcello, Nicholas J. Wright, Robert A. Gutermuth

arxiv:1201.2404 v1 · 2012-01-11 · 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{5RQBXCJ72P2AQDDHQJ45TTOZRC}

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	2026-05-18T01:58:52.625768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec601b893fd3f4080c678279d9cdd988be67cb774ba8d8d4f8ae793b2fcb23f5

Aliases

arxiv: 1201.2404 · arxiv_version: 1201.2404v1 · doi: 10.48550/arxiv.1201.2404 · pith_short_12: 5RQBXCJ72P2A · pith_short_16: 5RQBXCJ72P2AQDDH · pith_short_8: 5RQBXCJ7

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/5RQBXCJ72P2AQDDHQJ45TTOZRC \
  | 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: ec601b893fd3f4080c678279d9cdd988be67cb774ba8d8d4f8ae793b2fcb23f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9baf8b1a2b58fc683069fb0cbea0968e653fe433f6c472af11de70196f02767",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-11T21:00:00Z",
    "title_canon_sha256": "cefcb26179d48789104e69d76df48fd627370223879a8edc4b7bd50af0188d0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2404",
    "kind": "arxiv",
    "version": 1
  }
}