Pith Number

pith:M33HNCAM

pith:2013:M33HNCAM2LNGKTOWXFOBQSYZ4F

not attested not anchored not stored refs pending

Herschel observations: contraints on dust attenuation and star formation histories at high redshift

Carlotta Gruppioni, Denis Burgarella, Olga Cucciati, S\'ebastien Heinis, the PEP/HerMES Team, V\'eronique Buat

arxiv:1310.3497 v1 · 2013-10-13 · 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{M33HNCAM2LNGKTOWXFOBQSYZ4F}

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	2026-05-18T03:10:35.545232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66f676880cd2da654dd6b95c184b19e15b3511b95ff3fc07584fc4e8f67b669c

Aliases

arxiv: 1310.3497 · arxiv_version: 1310.3497v1 · doi: 10.48550/arxiv.1310.3497 · pith_short_12: M33HNCAM2LNG · pith_short_16: M33HNCAM2LNGKTOW · pith_short_8: M33HNCAM

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/M33HNCAM2LNGKTOWXFOBQSYZ4F \
  | 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: 66f676880cd2da654dd6b95c184b19e15b3511b95ff3fc07584fc4e8f67b669c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d24b13002bf80c6e0558d969c13394fb6a64c28c75127aec5412cf879f8e932",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-13T17:52:25Z",
    "title_canon_sha256": "8362666c39a05a0e2d236098b7aa79c0b341781fb0834cc939fbd335274e6534"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3497",
    "kind": "arxiv",
    "version": 1
  }
}