Pith Number

pith:TWNGE7AG

pith:2012:TWNGE7AGJHT6IAMM7SWRHGDTHK

not attested not anchored not stored refs pending

SEDfit: Software for Spectral Energy Distribution Fitting of Photometric Data

Marcin Sawicki

arxiv:1210.0285 v1 · 2012-10-01 · astro-ph.IM · 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{TWNGE7AGJHT6IAMM7SWRHGDTHK}

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	2026-05-18T01:54:12.277906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d9a627c0649e7e4018cfcad1398733abc0bce44836707898219d27aab19e8f1

Aliases

arxiv: 1210.0285 · arxiv_version: 1210.0285v1 · doi: 10.48550/arxiv.1210.0285 · pith_short_12: TWNGE7AGJHT6 · pith_short_16: TWNGE7AGJHT6IAMM · pith_short_8: TWNGE7AG

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/TWNGE7AGJHT6IAMM7SWRHGDTHK \
  | 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: 9d9a627c0649e7e4018cfcad1398733abc0bce44836707898219d27aab19e8f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eea536b3f5a5ca15b57140c00562fb48f0c6973156503b4c908f5d2dd8b02a55",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-10-01T04:23:33Z",
    "title_canon_sha256": "731ada37aadad9756d1dad711a4cc6040b67cbffe16702ec927400adabfedfeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0285",
    "kind": "arxiv",
    "version": 1
  }
}