Pith Number

pith:2AASGQRP

pith:2016:2AASGQRP33SB7O6B7G5Z25BBXK

not attested not anchored not stored refs pending

How to quench a galaxy

Am\'elie Saintonge, Andrew Pontzen, Fabio Governato, Hiranya V. Peiris, Marta Volonteri, Michael Tremmel, Nina Roth, Tom Quinn

arxiv:1607.02507 v2 · 2016-07-08 · astro-ph.GA · 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{2AASGQRP33SB7O6B7G5Z25BBXK}

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	2026-05-18T00:55:13.326223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d00123422fdee41fbbc1f9bb9d7421baa632a9dd5986f8e7003f87a4495b2d86

Aliases

arxiv: 1607.02507 · arxiv_version: 1607.02507v2 · doi: 10.48550/arxiv.1607.02507 · pith_short_12: 2AASGQRP33SB · pith_short_16: 2AASGQRP33SB7O6B · pith_short_8: 2AASGQRP

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/2AASGQRP33SB7O6B7G5Z25BBXK \
  | 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: d00123422fdee41fbbc1f9bb9d7421baa632a9dd5986f8e7003f87a4495b2d86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cf00d467077f5a291e38370ddeb99aca65415bf15453275e22405c37ac24299",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-07-08T20:00:00Z",
    "title_canon_sha256": "40be40a2e04e389e7dc5efc6a2170a256bdd6ff1426de927e5e4f580169e555d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02507",
    "kind": "arxiv",
    "version": 2
  }
}