Pith Number

pith:3EPJN3IB

pith:2011:3EPJN3IBP6QC3B7BCXIEZR2DHE

not attested not anchored not stored refs pending

Quantified HI Morphology I: Multi-Wavelengths Analysis of the THINGS Galaxies

2), (2) Astrophysics, (3) Space Telescope Science Institute, (4) Department of Physics, A. Bouchard (4), Astronomy Department, B. W. Holwerda (1, Cosmology, E. C. Elson (2) ((1) European Space Agency, ESTEC, Gravity Centre (ACGC), K. J. van der Heyden (2), McGill University), N. Pirzkal (3), S-L. Blyth (2), University of Cape Town, W.J.G. de Blok (2)

arxiv:1104.3291 v1 · 2011-04-17 · 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{3EPJN3IBP6QC3B7BCXIEZR2DHE}

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	2026-05-18T02:02:24.103334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d91e96ed017fa02d87e115d04cc743392b2f3e4d409c096769030f532708a2be

Aliases

arxiv: 1104.3291 · arxiv_version: 1104.3291v1 · doi: 10.48550/arxiv.1104.3291 · pith_short_12: 3EPJN3IBP6QC · pith_short_16: 3EPJN3IBP6QC3B7B · pith_short_8: 3EPJN3IB

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/3EPJN3IBP6QC3B7BCXIEZR2DHE \
  | 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: d91e96ed017fa02d87e115d04cc743392b2f3e4d409c096769030f532708a2be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbec97f709298add560f7fdc593e767756b99639b77a29e779e2bd6b95bd0622",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-17T09:31:54Z",
    "title_canon_sha256": "f349ec7aef0384e2987bf1aa488435104f6798d576eb9378ca2e8c783ce28b64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3291",
    "kind": "arxiv",
    "version": 1
  }
}