Pith Number

pith:QT2XVFXW

pith:2015:QT2XVFXWPUWV72FKEQSKF5PH6H

not attested not anchored not stored refs pending

The \^G Infrared Search for Extraterrestrial Civilizations with Large Energy Supplies. III. The Reddest Extended Sources in WISE

Brendan Mullan, Jason T. Wright, Jessica Maldonado, Matthew S. Povich, Roger L. Griffith, Steinn Sigurdsson

arxiv:1504.03418 v2 · 2015-04-14 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QT2XVFXWPUWV72FKEQSKF5PH6H}

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	2026-05-18T01:40:48.920179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84f57a96f67d2d5fe8aa2424a2f5e7f1ccae72c5b0b3a4755b60945b8768670b

Aliases

arxiv: 1504.03418 · arxiv_version: 1504.03418v2 · doi: 10.48550/arxiv.1504.03418 · pith_short_12: QT2XVFXWPUWV · pith_short_16: QT2XVFXWPUWV72FK · pith_short_8: QT2XVFXW

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/QT2XVFXWPUWV72FKEQSKF5PH6H \
  | 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: 84f57a96f67d2d5fe8aa2424a2f5e7f1ccae72c5b0b3a4755b60945b8768670b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c028bce179f75458619318cf2d78a3b42b80247bf6e4bea73932737a7b0a3244",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-14T04:30:34Z",
    "title_canon_sha256": "7cd23b2f1b66db5660c8eac8a3fd198581b033111aceda257fda79374dddd80c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03418",
    "kind": "arxiv",
    "version": 2
  }
}