Pith Number

pith:2DRDKKDA

pith:2015:2DRDKKDAD6SVNRQ55UHDMHIBJG

not attested not anchored not stored refs pending

Measures of galaxy dust and gas mass with Herschel photometry and prospects for ALMA

D. Lutz, L.J. Tacconi, N.M. Foerster-Schreiber, R. Genzel, S. Berta

arxiv:1511.05147 v2 · 2015-11-16 · 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{2DRDKKDAD6SVNRQ55UHDMHIBJG}

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	2026-05-18T01:20:08.983904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0e23528601fa556c61ded0e361d0149844e5616270941940442cb6e2d814686

Aliases

arxiv: 1511.05147 · arxiv_version: 1511.05147v2 · doi: 10.48550/arxiv.1511.05147 · pith_short_12: 2DRDKKDAD6SV · pith_short_16: 2DRDKKDAD6SVNRQ5 · pith_short_8: 2DRDKKDA

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/2DRDKKDAD6SVNRQ55UHDMHIBJG \
  | 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: d0e23528601fa556c61ded0e361d0149844e5616270941940442cb6e2d814686

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d989d8c7fd5d66ff05b2fcf11f2885e106dc2a9319b2e4ddede81b9d2fe1636",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-16T21:00:02Z",
    "title_canon_sha256": "94d44b2a8032ed149615400bdc035970d8b97d66e56a145ed99fda3a3cf25e8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05147",
    "kind": "arxiv",
    "version": 2
  }
}