Pith Number

pith:JM4ANAXI

pith:2010:JM4ANAXIK45UEWQI5SXG44DP55

not attested not anchored not stored refs pending

Deep GMRT 150 MHz observations of the LBDS-Lynx region: Ultra-Steep Spectrum Radio Sources

2), (2) Inter-University Centre for Astronomy, (3) International Centre for Radio Astronomical Research, (4) School of Earth, Arizona State University USA), Astrophysics, C. H. Ishwara-Chandra (1, India, Pune, R. Windhorst (4) ((1) National Centre for Radio Astrophysics-TATA Institute of Fundamental Research, S. K. Sirothia (1), Space Exploration, S. Pal (3), University of Western Australia, Y. Wadadekar (1)

arxiv:1002.0691 v1 · 2010-02-03 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JM4ANAXIK45UEWQI5SXG44DP55}

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	2026-05-18T02:09:20.475533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b380682e8573b425a08ecae6e706fef68077711fb3ad5900ef581a7f948ef4b

Aliases

arxiv: 1002.0691 · arxiv_version: 1002.0691v1 · doi: 10.48550/arxiv.1002.0691 · pith_short_12: JM4ANAXIK45U · pith_short_16: JM4ANAXIK45UEWQI · pith_short_8: JM4ANAXI

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/JM4ANAXIK45UEWQI5SXG44DP55 \
  | 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: 4b380682e8573b425a08ecae6e706fef68077711fb3ad5900ef581a7f948ef4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b6ed313e20314b9cd1d583d4107554ce805e7e73934fa381f527da98d3949d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-03T10:09:45Z",
    "title_canon_sha256": "fb915b5f57bc6a634c980fe75b9a8176f8ccd79f06f50e603eb8b1498608d68f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0691",
    "kind": "arxiv",
    "version": 1
  }
}