Pith Number

pith:2ECOSUK2

pith:2013:2ECOSUK2RTVOOLAEI2DDQEZVUI

not attested not anchored not stored refs pending

Dust properties from GALEX observations of a UV halo around Spica

Jayant Murthy, P. Shalima, Ranjan Gupta

arxiv:1307.6832 v1 · 2013-07-25 · astro-ph.GA · 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{2ECOSUK2RTVOOLAEI2DDQEZVUI}

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	2026-05-18T01:48:34.516834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d104e9515a8ceae72c044686381335a222cb6aa93362b0089311ec20b775c63b

Aliases

arxiv: 1307.6832 · arxiv_version: 1307.6832v1 · doi: 10.48550/arxiv.1307.6832 · pith_short_12: 2ECOSUK2RTVO · pith_short_16: 2ECOSUK2RTVOOLAE · pith_short_8: 2ECOSUK2

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/2ECOSUK2RTVOOLAEI2DDQEZVUI \
  | 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: d104e9515a8ceae72c044686381335a222cb6aa93362b0089311ec20b775c63b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22b7df98bebf979e827cf969fe5a2dec76098dc4200e3d37f66e2f07cccfd5d4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-07-25T18:16:24Z",
    "title_canon_sha256": "5100b242d51d361d6685703b39dfa764fb2d65ef3236827f7d617d42c24cae39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6832",
    "kind": "arxiv",
    "version": 1
  }
}