Pith Number

pith:ENTSTPRT

pith:2008:ENTSTPRTFX6O4SPOW5KNIMCHVU

not attested not anchored not stored refs pending

Revisiting the formation History of the minor-axis dust lane galaxy NGC1947

D. Bettoni, E. Iodice, G. Galletta, G. Longo, G. Minervini, M. Spavone, P. Mazzei, R. Calvi

arxiv:0811.1754 v1 · 2008-11-11 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ENTSTPRTFX6O4SPOW5KNIMCHVU}

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	2026-07-04T17:13:36.697307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

236729be332dfcee49eeb754d43047ad3001e538441f6dc329a11a23a2608a50

Aliases

arxiv: 0811.1754 · arxiv_version: 0811.1754v1 · doi: 10.48550/arxiv.0811.1754 · pith_short_12: ENTSTPRTFX6O · pith_short_16: ENTSTPRTFX6O4SPO · pith_short_8: ENTSTPRT

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/ENTSTPRTFX6O4SPOW5KNIMCHVU \
  | 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: 236729be332dfcee49eeb754d43047ad3001e538441f6dc329a11a23a2608a50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd807366646259de3974360832dd08fa50f16bb0c727219bb57e10833e38f9fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-11T18:41:57Z",
    "title_canon_sha256": "9ab8776f0b0fbe113436c203036efe8b74fa50b6af5f2d339caa639b7bc19ff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1754",
    "kind": "arxiv",
    "version": 1
  }
}