Pith Number

pith:I6U7TUL6

pith:2013:I6U7TUL6P2HYO7JK6RBPSZOPVY

not attested not anchored not stored refs pending

The Galactic Spatial Distribution of OB Associations and Their Surrounding Supernova-Generated Superbubble

J. C. Higdon, R. E. Lingenfelter

arxiv:1302.1223 v1 · 2013-02-05 · 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{I6U7TUL6P2HYO7JK6RBPSZOPVY}

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	2026-05-18T01:51:50.068838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47a9f9d17e7e8f877d2af442f965cfae11236d3f7c4840c75f260e9e6865c7f2

Aliases

arxiv: 1302.1223 · arxiv_version: 1302.1223v1 · doi: 10.48550/arxiv.1302.1223 · pith_short_12: I6U7TUL6P2HY · pith_short_16: I6U7TUL6P2HYO7JK · pith_short_8: I6U7TUL6

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/I6U7TUL6P2HYO7JK6RBPSZOPVY \
  | 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: 47a9f9d17e7e8f877d2af442f965cfae11236d3f7c4840c75f260e9e6865c7f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3590cdb2e765c24f4390f3f8cec33d67ac993caa126e3a6f849ea9f33b7259ff",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-02-05T22:19:22Z",
    "title_canon_sha256": "a8c1b11ccb9c3f2a3e321498638dc98b1ddd70d8139529af53e61a55e27287a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1223",
    "kind": "arxiv",
    "version": 1
  }
}