Pith Number

pith:QRKWJWQO

pith:2018:QRKWJWQOMBRMDJKNJF723EY5SH

not attested not anchored not stored refs pending

The Herschel-PACS North Ecliptic Pole Survey

Chris Pearson, Chris Sedgwick, David L Clements, Hideo Matsuhara, Ivan Valtchanov, Laia Barrufet, Maria Del Carmen Campos Varillas, Myungshin Im, Seong Jin Kim, Stephen Serjeant, Tomotsugu Goto, Woong-Seob Jeong

arxiv:1809.03990 v1 · 2018-09-11 · 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{QRKWJWQOMBRMDJKNJF723EY5SH}

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	2026-05-18T00:05:57.621691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

845564da0e6062c1a54d497fad931d91d40cac99b9dd3ab450c4e7a39e183098

Aliases

arxiv: 1809.03990 · arxiv_version: 1809.03990v1 · doi: 10.48550/arxiv.1809.03990 · pith_short_12: QRKWJWQOMBRM · pith_short_16: QRKWJWQOMBRMDJKN · pith_short_8: QRKWJWQO

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/QRKWJWQOMBRMDJKNJF723EY5SH \
  | 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: 845564da0e6062c1a54d497fad931d91d40cac99b9dd3ab450c4e7a39e183098

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6ec96bf9919444e77e6187c62ba95e456dd3853b4c939ab4783cd55699ee3da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-11T15:52:34Z",
    "title_canon_sha256": "e9a50f2428fc493870f890bbc0f72ace68b855d21942140cfdd8a610487f3d4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03990",
    "kind": "arxiv",
    "version": 1
  }
}