Pith Number

pith:7M4EYD6B

pith:2016:7M4EYD6BDS7M4EBUHFJOUG3PJE

not attested not anchored not stored refs pending

The Globular Cluster System of the Coma cD Galaxy NGC 4874 from Hubble Space Telescope ACS and WFC3/IR Imaging

Ana L. Chies-Santos, Eric W. Peng, Hyejeon Cho, John P. Blakeslee, Joseph B. Jensen, M. James Jee, Young-Wook Lee

arxiv:1604.01768 v1 · 2016-04-06 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7M4EYD6BDS7M4EBUHFJOUG3PJE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:13:48.228391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb384c0fc11cbece10343952ea1b6f49144716c03ffe50520b3eb87765d72c81

Aliases

arxiv: 1604.01768 · arxiv_version: 1604.01768v1 · doi: 10.48550/arxiv.1604.01768 · pith_short_12: 7M4EYD6BDS7M · pith_short_16: 7M4EYD6BDS7M4EBU · pith_short_8: 7M4EYD6B

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/7M4EYD6BDS7M4EBUHFJOUG3PJE \
  | 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: fb384c0fc11cbece10343952ea1b6f49144716c03ffe50520b3eb87765d72c81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec97713fec01dc29b14ba2768c0ef458e4480816bdd644298f5d9cb8dd38b856",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-04-06T20:00:01Z",
    "title_canon_sha256": "329a5545a4d686970729ffeafd9d28ad1847aacfec7f91197dc823d7d0a59cd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.01768",
    "kind": "arxiv",
    "version": 1
  }
}