Pith Number

pith:P7DTIOF3

pith:2017:P7DTIOF3SSQJCSEDJSNZ7LTJJX

not attested not anchored not stored refs pending

Deep Chandra observations of NGC~7457, the X-ray point source populations of a low mass early-type galaxy

Anthony H. Gonzalez, Arunav Kundu, Bret D. Lehmer, Claudia Maraston, Mark B. Peacock, Stephen E. Zepf, Thomas J. Maccarone

arxiv:1701.00482 v1 · 2017-01-02 · astro-ph.HE · 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{P7DTIOF3SSQJCSEDJSNZ7LTJJX}

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	2026-05-18T00:52:36.995077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fc73438bb94a09148834c9b9fae694de5b2989c3c5c4ba2ef5747e99569e684

Aliases

arxiv: 1701.00482 · arxiv_version: 1701.00482v1 · doi: 10.48550/arxiv.1701.00482 · pith_short_12: P7DTIOF3SSQJ · pith_short_16: P7DTIOF3SSQJCSED · pith_short_8: P7DTIOF3

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/P7DTIOF3SSQJCSEDJSNZ7LTJJX \
  | 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: 7fc73438bb94a09148834c9b9fae694de5b2989c3c5c4ba2ef5747e99569e684

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "360dba4de0033525933d0249a976f8c5c0799561b431b0306d42007607d86209",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-01-02T18:59:59Z",
    "title_canon_sha256": "0c1be0713f1fee6208492642e4e4f7d9d1ab7a08b634ba764e1fad9e91ff01ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00482",
    "kind": "arxiv",
    "version": 1
  }
}