Pith Number

pith:NEHW4X3I

pith:2010:NEHW4X3INAMMDJIVSODBWMP6BL

not attested not anchored not stored refs pending

A Chandra Census of C2D YSOS: Evolution of X-ray Emission

(2) University of Illinois at Urbana-Champaign), L.W. Looney (2) ((1) USRA-NASA Ames Research Center, M. Hamidouche (1), M. Jacobson (2)

arxiv:1010.0724 v1 · 2010-10-04 · 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{NEHW4X3INAMMDJIVSODBWMP6BL}

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	2026-05-18T02:23:47.025446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

690f6e5f686818c1a51593861b31fe0aef0f057a6494404f05be6adf12198d33

Aliases

arxiv: 1010.0724 · arxiv_version: 1010.0724v1 · doi: 10.48550/arxiv.1010.0724 · pith_short_12: NEHW4X3INAMM · pith_short_16: NEHW4X3INAMMDJIV · pith_short_8: NEHW4X3I

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/NEHW4X3INAMMDJIVSODBWMP6BL \
  | 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: 690f6e5f686818c1a51593861b31fe0aef0f057a6494404f05be6adf12198d33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b246195ce6b00f6d04e8c4b9f0c353b5a66dcc1370ef09e8c30cf53c1e73cce0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-10-04T22:41:14Z",
    "title_canon_sha256": "bd138aa3bbed0f130bd2ea253860657967ed159e083c2a23fda23c19c299ed02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0724",
    "kind": "arxiv",
    "version": 1
  }
}