Pith Number

pith:YACTF5MP

pith:2014:YACTF5MPS4EFZ6FXZBJGICQ3DD

not attested not anchored not stored refs pending

Herschel spectral-mapping of the Helix Nebula (NGC 7293): Extended CO photodissociation and OH+ emission

B.M. Swinyard, C. Pearson, E.T. Polehampton, F. Kerschbaum, F. Lique, G.C. Van de Steene, J. Cernicharo, J.R. Goicoechea, M.A.T. Groenewegen, M. Etxaluze, M.J. Barlow, M. Matsuura, P.A.M. van Hoof, P. Royer, T. L. Lim, T. Ueta

arxiv:1404.2177 v1 · 2014-04-08 · astro-ph.SR · 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{YACTF5MPS4EFZ6FXZBJGICQ3DD}

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	2026-05-18T02:48:36.399890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c00532f58f97085cf8b7c852640a1b18ff41fd719a79a0294b6cd579b4c643bb

Aliases

arxiv: 1404.2177 · arxiv_version: 1404.2177v1 · doi: 10.48550/arxiv.1404.2177 · pith_short_12: YACTF5MPS4EF · pith_short_16: YACTF5MPS4EFZ6FX · pith_short_8: YACTF5MP

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/YACTF5MPS4EFZ6FXZBJGICQ3DD \
  | 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: c00532f58f97085cf8b7c852640a1b18ff41fd719a79a0294b6cd579b4c643bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29f4e89e0785229721047b3907d5bfe8e9b0c1a03ab8b3469e1816b49b801ec4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-04-08T15:11:01Z",
    "title_canon_sha256": "5c7933c37265f16c1fd7f573d7a28e6ee4166bdf952d87f2e8a2e21fee45dfdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2177",
    "kind": "arxiv",
    "version": 1
  }
}