Pith Number

pith:CCP5P5QQ

pith:2013:CCP5P5QQEBUIVR4TL6L6YAH3ES

not attested not anchored not stored refs pending

HELGA: The Herschel Exploitation of the Local Galaxy Andromeda. Sub-mm morphology and dust properties

Jacopo Fritz, Jason Kirk, Matthew W. L. Smith, the HELGA collaboration

arxiv:1310.4589 v1 · 2013-10-17 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CCP5P5QQEBUIVR4TL6L6YAH3ES}

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	2026-05-18T03:10:13.628645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

109fd7f61020688ac7935f97ec00fb24b99e4183d522ab68790b2a16c17339b4

Aliases

arxiv: 1310.4589 · arxiv_version: 1310.4589v1 · doi: 10.48550/arxiv.1310.4589 · pith_short_12: CCP5P5QQEBUI · pith_short_16: CCP5P5QQEBUIVR4T · pith_short_8: CCP5P5QQ

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/CCP5P5QQEBUIVR4TL6L6YAH3ES \
  | 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: 109fd7f61020688ac7935f97ec00fb24b99e4183d522ab68790b2a16c17339b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab87fb0d5bfbc9a330ca8906be6ca124d9c9c59c669413d8844f0411547898a6",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-10-17T06:55:28Z",
    "title_canon_sha256": "4f6fb52b3bf4cd3bb9ca853d8d884ca0394dc77dcdcfd6e03545f59528ea200e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4589",
    "kind": "arxiv",
    "version": 1
  }
}