Pith Number

pith:SMU4MT7N

pith:2011:SMU4MT7NW3QVL5M5TWZSQLHGV6

not attested not anchored not stored refs pending

Dust heating sources in galaxies: the case of M33 (HERM33ES)

C. Henkel, C. Kramer, D. Calzetti, E. M. Xilouris, F. Combes, F. Israel, M. Boquien, M. Rela\~no, P. van der Werf, S. Verley

arxiv:1107.2396 v1 · 2011-07-12 · astro-ph.CO · 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{SMU4MT7NW3QVL5M5TWZSQLHGV6}

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	2026-05-18T02:01:19.425488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9329c64fedb6e155f59d9db3282ce6afb9c268554336e5256877cbeb2cdd38e7

Aliases

arxiv: 1107.2396 · arxiv_version: 1107.2396v1 · doi: 10.48550/arxiv.1107.2396 · pith_short_12: SMU4MT7NW3QV · pith_short_16: SMU4MT7NW3QVL5M5 · pith_short_8: SMU4MT7N

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/SMU4MT7NW3QVL5M5TWZSQLHGV6 \
  | 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: 9329c64fedb6e155f59d9db3282ce6afb9c268554336e5256877cbeb2cdd38e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d01c25e012286d3538b163d59aa49ef6825d346764dc3f1424ce3f29effa3d69",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-12T20:00:01Z",
    "title_canon_sha256": "9f09c938231e878add63059a253a207edf6753a217f884265fdcce3d04f75df3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2396",
    "kind": "arxiv",
    "version": 1
  }
}