Pith Number

pith:TDAFQDJU

pith:2012:TDAFQDJU2MSNYONBWOAKB65FDI

not attested not anchored not stored refs pending

Estimating stellar mean density through seismic inversions

D. R. Reese, J. P. Marques, M. J. Goupil, M. J. Thompson, S. Deheuvels

arxiv:1201.1844 v1 · 2012-01-09 · 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{TDAFQDJU2MSNYONBWOAKB65FDI}

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	2026-05-18T01:58:53.980015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98c0580d34d324dc39a1b380a0fba51a256039b497685605abf58560aec6ab66

Aliases

arxiv: 1201.1844 · arxiv_version: 1201.1844v1 · doi: 10.48550/arxiv.1201.1844 · pith_short_12: TDAFQDJU2MSN · pith_short_16: TDAFQDJU2MSNYONB · pith_short_8: TDAFQDJU

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/TDAFQDJU2MSNYONBWOAKB65FDI \
  | 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: 98c0580d34d324dc39a1b380a0fba51a256039b497685605abf58560aec6ab66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf6a57b129f1f8e95e819cc1ea14a711fecce8a58e4348b9e1f476b93694a664",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-09T17:31:42Z",
    "title_canon_sha256": "5c657fcacea1305c0ac8f9d89e6a1b33c95eec1c22e7427c94384760f1bda273"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1844",
    "kind": "arxiv",
    "version": 1
  }
}