Pith Number

pith:X3CDET4U

pith:2015:X3CDET4UMGW6VIAEWJEYXNWBDG

not attested not anchored not stored refs pending

Distribution of Faint Atomic Gas in Hickson Compact Groups

Guangtun Zhu, James A. Braatz, Lourdes Verdes-Montenegro, Min S. Yun, Sanchayeeta Borthakur, Timothy M. Heckman

arxiv:1508.07043 v1 · 2015-08-27 · 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{X3CDET4UMGW6VIAEWJEYXNWBDG}

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	2026-05-18T01:30:23.023223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bec4324f9461adeaa004b2498bb6c11991ac4226d0aa42293cea356f46d10f83

Aliases

arxiv: 1508.07043 · arxiv_version: 1508.07043v1 · doi: 10.48550/arxiv.1508.07043 · pith_short_12: X3CDET4UMGW6 · pith_short_16: X3CDET4UMGW6VIAE · pith_short_8: X3CDET4U

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/X3CDET4UMGW6VIAEWJEYXNWBDG \
  | 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: bec4324f9461adeaa004b2498bb6c11991ac4226d0aa42293cea356f46d10f83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e8c2690ef9c2152bc6f978e0ad25bf46a539418c38895ceb13aae8f4c386a91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-27T21:54:18Z",
    "title_canon_sha256": "bcc081e3d8fc3af1715b95bc175e8cf285b8fe6685ad6b52e2c795f68b797f88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07043",
    "kind": "arxiv",
    "version": 1
  }
}