Pith Number

pith:LHVO63NC

pith:2010:LHVO63NCSM6TRAK6537NBMZGIX

not attested not anchored not stored refs pending

On The GeV & TeV Detections of the Starburst Galaxies M82 & NGC 253

Abraham Loeb, Brian C. Lacki, Eliot Quataert, Eli Waxman, Todd A. Thompson

arxiv:1003.3257 v3 · 2010-03-16 · astro-ph.HE · 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{LHVO63NCSM6TRAK6537NBMZGIX}

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	2026-05-18T02:08:33.093888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59eaef6da2933d38815eeefed0b32645f0d4760c9816454e6b1dac6589f78b8b

Aliases

arxiv: 1003.3257 · arxiv_version: 1003.3257v3 · doi: 10.48550/arxiv.1003.3257 · pith_short_12: LHVO63NCSM6T · pith_short_16: LHVO63NCSM6TRAK6 · pith_short_8: LHVO63NC

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/LHVO63NCSM6TRAK6537NBMZGIX \
  | 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: 59eaef6da2933d38815eeefed0b32645f0d4760c9816454e6b1dac6589f78b8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4030d602e03637db4557843e0751fb627b4d2c67b1fa756b0e8fec944067e15a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-03-16T21:32:06Z",
    "title_canon_sha256": "6ef311e38b20b0c0194f397923b74be0630ae2a68259d14176bf39fed25d45f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3257",
    "kind": "arxiv",
    "version": 3
  }
}