Pith Number

pith:6JWDMOWI

pith:2019:6JWDMOWIZ77ODQQM3RJAP7GSJE

not attested not anchored not stored refs pending

Evident black hole-bulge coevolution in the distant universe

C.-T. J. Chen, D. M. Alexander, F.-F. Zhu, F. Vito, Guang Yang, Q. Ni, W. N. Brandt

arxiv:1903.00003 v1 · 2019-02-28 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6JWDMOWIZ77ODQQM3RJAP7GSJE}

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	2026-05-17T23:51:29.786601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f26c363ac8cffee1c20cdc5207fcd2490009f8f7323c15da6ab76dec61b84cf9

Aliases

arxiv: 1903.00003 · arxiv_version: 1903.00003v1 · doi: 10.48550/arxiv.1903.00003 · pith_short_12: 6JWDMOWIZ77O · pith_short_16: 6JWDMOWIZ77ODQQM · pith_short_8: 6JWDMOWI

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/6JWDMOWIZ77ODQQM3RJAP7GSJE \
  | 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: f26c363ac8cffee1c20cdc5207fcd2490009f8f7323c15da6ab76dec61b84cf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f40924a2ccb729ff5edefdc3a1cb01f1593d15163e076cce4f7d62d9239cfd76",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-28T19:00:00Z",
    "title_canon_sha256": "b0ba985a5b3c322b32514da2dd22cf062dba0589b701e7331f9fdef93f7d38ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00003",
    "kind": "arxiv",
    "version": 1
  }
}