Pith Number

pith:FDF4QPII

pith:2020:FDF4QPIIRUFRKQWYZMWDZMZYZ4

not attested not anchored not stored refs pending

Unveiling Kinematic Structure in the Starburst Heart of NGC 253

Daniel P. Cohen, Jean L. Turner, S. Michelle Consiglio

arxiv:2001.11002 v1 · 2020-01-29 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FDF4QPIIRUFRKQWYZMWDZMZYZ4}

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	2026-07-05T00:37:19.820166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28cbc83d088d0b1542d8cb2c3cb338cf33f1c906d0bdd2f47d82f9072dbc2ea5

Aliases

arxiv: 2001.11002 · arxiv_version: 2001.11002v1 · doi: 10.48550/arxiv.2001.11002 · pith_short_12: FDF4QPIIRUFR · pith_short_16: FDF4QPIIRUFRKQWY · pith_short_8: FDF4QPII

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/FDF4QPIIRUFRKQWYZMWDZMZYZ4 \
  | 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: 28cbc83d088d0b1542d8cb2c3cb338cf33f1c906d0bdd2f47d82f9072dbc2ea5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beb8d76d4799ec4a6e39ec6c55da7fde366667330a764eb6e3eb28c621522fd1",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-29T18:18:16Z",
    "title_canon_sha256": "95d3f5b248dee4c1530ca6618919c96492d618ccadf24e5e0d364c912bb6fe90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11002",
    "kind": "arxiv",
    "version": 1
  }
}