Pith Number

pith:7OAIGW3F

pith:2012:7OAIGW3FFTR3N3QZDEP7IKJ2F7

not attested not anchored not stored refs pending

Chandra Survey of Nearby Highly-Inclined Disk Galaxies I: X-ray Measurements of Galactic Coronae

Amherst, Amherst), CEA, Jiang-Tao Li (UMASS, Q. Daniel Wang (UMASS, Saclay)

arxiv:1210.2997 v1 · 2012-10-10 · astro-ph.CO · 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{7OAIGW3FFTR3N3QZDEP7IKJ2F7}

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	2026-05-18T01:54:03.336997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb80835b652ce3b6ee19191ff4293a2ff17696127d796aa794108e23ecdf1388

Aliases

arxiv: 1210.2997 · arxiv_version: 1210.2997v1 · doi: 10.48550/arxiv.1210.2997 · pith_short_12: 7OAIGW3FFTR3 · pith_short_16: 7OAIGW3FFTR3N3QZ · pith_short_8: 7OAIGW3F

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/7OAIGW3FFTR3N3QZDEP7IKJ2F7 \
  | 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: fb80835b652ce3b6ee19191ff4293a2ff17696127d796aa794108e23ecdf1388

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "558f59b98c1fe6a7c88822e701850da6233c5a50f544e6d53b0fbd8ebae6b97a",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-10T18:06:50Z",
    "title_canon_sha256": "99798e541c86dc36e20581e473b5ce9d59941839add3284ecfaee3e04b7f52a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2997",
    "kind": "arxiv",
    "version": 1
  }
}