Pith Number

pith:CI7NJ7W6

pith:2014:CI7NJ7W66C5X2I3L634OMCYP3N

not attested not anchored not stored refs pending

Why do galaxies stop forming stars? I. The passive fraction - black hole mass relation for central galaxies

Asa F. L. Bluck, David R. Patton, Else Starkenburg, Hossein Teimoorinia, Jorge Moreno, J. Trevor Mendel, Luc Simard, Sara L. Ellison

arxiv:1412.3862 v1 · 2014-12-12 · astro-ph.GA · astro-ph.CO · 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{CI7NJ7W66C5X2I3L634OMCYP3N}

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	2026-05-18T02:31:29.478636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

123ed4fedef0bb7d236bf6f8e60b0fdb4f0f91b4be941bb93481c6a549e3b540

Aliases

arxiv: 1412.3862 · arxiv_version: 1412.3862v1 · doi: 10.48550/arxiv.1412.3862 · pith_short_12: CI7NJ7W66C5X · pith_short_16: CI7NJ7W66C5X2I3L · pith_short_8: CI7NJ7W6

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/CI7NJ7W66C5X2I3L634OMCYP3N \
  | 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: 123ed4fedef0bb7d236bf6f8e60b0fdb4f0f91b4be941bb93481c6a549e3b540

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c36f02f4ec934babe243186f9b61239ebd8e3c12d4e8bc95c50694c63f13777e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-12-12T00:24:49Z",
    "title_canon_sha256": "67aaf0d8bda1c64d9ed68c6bb55fb155ce488bc89009d36122de281d7ee2bb27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3862",
    "kind": "arxiv",
    "version": 1
  }
}