Pith Number

pith:GDAPSHVQ

pith:2011:GDAPSHVQ54L3664QY4FFA3V32N

not attested not anchored not stored refs pending

Variation in the dust spectral index across M33

C. Henkel, C. Kramer, D. Calzetti, E. Schinnerer, F. Combes, F. Israel, F. S. Tabatabaei, J. Braine, M. Boquien, M. Xilouris, S. Verley, The HerM33es Team

arxiv:1111.6740 v1 · 2011-11-29 · 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{GDAPSHVQ54L3664QY4FFA3V32N}

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	2026-05-18T01:59:22.231541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30c0f91eb0ef17bf7b90c70a506ebbd375585519dc1cc85233c3a90fee418bda

Aliases

arxiv: 1111.6740 · arxiv_version: 1111.6740v1 · doi: 10.48550/arxiv.1111.6740 · pith_short_12: GDAPSHVQ54L3 · pith_short_16: GDAPSHVQ54L3664Q · pith_short_8: GDAPSHVQ

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/GDAPSHVQ54L3664QY4FFA3V32N \
  | 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: 30c0f91eb0ef17bf7b90c70a506ebbd375585519dc1cc85233c3a90fee418bda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9ef0651600dcd9d5ec27071b53b9d0b65616745d0499bb750af94ace41bec72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-29T09:39:30Z",
    "title_canon_sha256": "44fc281d53919de28ba005e2bfddceeda89d01c0e220f4eeb39e92bdf9bf6090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6740",
    "kind": "arxiv",
    "version": 1
  }
}