Pith Number

pith:PPOR32VN

pith:2014:PPOR32VNKWUTEQUHJBCPPHHYA2

not attested not anchored not stored refs pending

The First Source Counts at 18 microns from the AKARI NEP Survey

Chris Pearson, H. Matsuhara, H.M. Lee, K. Murata, M. Im, S.J. Kim, S. Oyabu, S. Serjeant, T. Goto, T.Takagi, T. Wada, Y. Ohyama

arxiv:1408.1617 v1 · 2014-08-07 · astro-ph.GA · astro-ph.CO · 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{PPOR32VNKWUTEQUHJBCPPHHYA2}

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	2026-05-18T01:42:22.881348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bdd1deaad55a93242874844f79cf806868d7fdcad9f7ec02be6708efd76f527

Aliases

arxiv: 1408.1617 · arxiv_version: 1408.1617v1 · doi: 10.48550/arxiv.1408.1617 · pith_short_12: PPOR32VNKWUT · pith_short_16: PPOR32VNKWUTEQUH · pith_short_8: PPOR32VN

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/PPOR32VNKWUTEQUHJBCPPHHYA2 \
  | 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: 7bdd1deaad55a93242874844f79cf806868d7fdcad9f7ec02be6708efd76f527

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f060f477dfcc9a47935b29df17f1bc4e377fc453348ee9465842bfbd6a601f72",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-08-07T15:04:56Z",
    "title_canon_sha256": "f01516a1f8e24a5d81f9b553c7781826fcd49199ba6ff0c3aafaaeb7c59aafed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1617",
    "kind": "arxiv",
    "version": 1
  }
}