Pith Number

pith:DK4DRCUK

pith:2014:DK4DRCUKD3GDMILDRYMA6U2D2N

not attested not anchored not stored refs pending

The co-evolution of galaxies and supermassive black holes in the near Universe

Thaisa Storchi-Bergmann

arxiv:1403.5816 v1 · 2014-03-23 · 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{DK4DRCUKD3GDMILDRYMA6U2D2N}

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	2026-05-18T02:55:47.691382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ab8388a8a1ecc3621638e180f5343d36e0face1d25d5e45a27ad60908bd9be0

Aliases

arxiv: 1403.5816 · arxiv_version: 1403.5816v1 · doi: 10.48550/arxiv.1403.5816 · pith_short_12: DK4DRCUKD3GD · pith_short_16: DK4DRCUKD3GDMILD · pith_short_8: DK4DRCUK

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/DK4DRCUKD3GDMILDRYMA6U2D2N \
  | 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: 1ab8388a8a1ecc3621638e180f5343d36e0face1d25d5e45a27ad60908bd9be0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44d9300f9d38b4301897e4debc7a2d309eed8295fac04e489de11c80f1cce92a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-23T23:19:52Z",
    "title_canon_sha256": "62db407fe0bd2f14a3bd295d08acd8ddea15e317e191cdedfb00da3416421802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5816",
    "kind": "arxiv",
    "version": 1
  }
}