Pith Number

pith:WDLQI7IG

pith:2021:WDLQI7IGXMXBTHYFI5K5KKE2MC

not attested not anchored not stored refs pending

Dynamical modelling of the twisted galaxy PGC 046832

Davor Krajnovi\'c, Eric Emsellem, Jarle Brinchmann, Mark den Brok, Michael Maseda

arxiv:2109.14640 v1 · 2021-09-29 · 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{WDLQI7IGXMXBTHYFI5K5KKE2MC}

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	2026-07-05T03:22:02.238366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0d7047d06bb2e199f054755d5289a60902fc7eb219c491507d6fd97e0a80d75

Aliases

arxiv: 2109.14640 · arxiv_version: 2109.14640v1 · doi: 10.48550/arxiv.2109.14640 · pith_short_12: WDLQI7IGXMXB · pith_short_16: WDLQI7IGXMXBTHYF · pith_short_8: WDLQI7IG

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/WDLQI7IGXMXBTHYFI5K5KKE2MC \
  | 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: b0d7047d06bb2e199f054755d5289a60902fc7eb219c491507d6fd97e0a80d75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9b95233a21c48803712636367c198f426c24e6ad75e5c71107d70d7128da41d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-29T18:00:12Z",
    "title_canon_sha256": "a4c123000012fb43634ca7e532f944ddec1b6e52afd9852f8a90d90d7edc92ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14640",
    "kind": "arxiv",
    "version": 1
  }
}