Pith Number

pith:EEK7TC2Q

pith:2013:EEK7TC2QKNLNAOJXEN7O5R2U3I

not attested not anchored not stored refs pending

Filtergraph: An Interactive Web Application for Visualization of Astronomy Datasets

Dan Burger, Joshua Pepper, Keivan G. Stassun, Martin Paegert, Nathan M. De Lee, Robert J. Siverd, William H. Robinson

arxiv:1307.4000 v2 · 2013-07-15 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EEK7TC2QKNLNAOJXEN7O5R2U3I}

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	2026-05-18T03:14:51.854797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2115f98b505356d03937237eeec754da01c676d543bf67597114fa0272898587

Aliases

arxiv: 1307.4000 · arxiv_version: 1307.4000v2 · doi: 10.48550/arxiv.1307.4000 · pith_short_12: EEK7TC2QKNLN · pith_short_16: EEK7TC2QKNLNAOJX · pith_short_8: EEK7TC2Q

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/EEK7TC2QKNLNAOJXEN7O5R2U3I \
  | 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: 2115f98b505356d03937237eeec754da01c676d543bf67597114fa0272898587

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eb78d78510e00d3017b845636fba123906e57ea402a1ab98911e86bfc5603f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-07-15T16:02:24Z",
    "title_canon_sha256": "a068f7263c1eeaa3e0963fb0ff5b14fb53f278ba5116b790f247ec705ccd10f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4000",
    "kind": "arxiv",
    "version": 2
  }
}