Pith Number

pith:ETHCBH2V

pith:2014:ETHCBH2VHXHHYMBBVF6JB3KAHV

not attested not anchored not stored refs pending

A comprehensive X-ray and multiwavelength study of the Colliding Galaxy Pair NGC2207/IC2163

A. Levine (MIT Kavli), B. Steinhorn (Harvard Medical School), D. Pooley (Sam Houston State, Eureka Scientific), J. Homan (MIT Kavli), MPA), S. Mineo (CfA, S. Rappaport (MIT

arxiv:1410.2472 v2 · 2014-10-09 · 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{ETHCBH2VHXHHYMBBVF6JB3KAHV}

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	2026-05-18T01:41:49.690688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24ce209f553dce7c3021a97c90ed403d5e6007ed99da74bc8f9766250340ada9

Aliases

arxiv: 1410.2472 · arxiv_version: 1410.2472v2 · doi: 10.48550/arxiv.1410.2472 · pith_short_12: ETHCBH2VHXHH · pith_short_16: ETHCBH2VHXHHYMBB · pith_short_8: ETHCBH2V

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/ETHCBH2VHXHHYMBBVF6JB3KAHV \
  | 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: 24ce209f553dce7c3021a97c90ed403d5e6007ed99da74bc8f9766250340ada9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "266705dd688a31d4b43d70e692b600d99b88260737983b2e7814140f46038906",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-09T14:06:09Z",
    "title_canon_sha256": "f5a211ee82f27a8c8e1df027681f1f753926a1face1149bebb936c8b526bb86d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2472",
    "kind": "arxiv",
    "version": 2
  }
}