Pith Number

pith:PJAIEWZA

pith:2009:PJAIEWZA4XMNSO2BBHB7WUFP5W

not attested not anchored not stored refs pending

Constraints on intragroup stellar mass from hostless Type Ia supernova

Michael L. Balogh (University of Waterloo), Sean L. McGee

arxiv:0912.3455 v2 · 2009-12-17 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJAIEWZA4XMNSO2BBHB7WUFP5W}

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	2026-05-18T02:10:15.914713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a40825b20e5d8d93b4109c3fb50afed928dbfdcad919a77403427a066078ce3

Aliases

arxiv: 0912.3455 · arxiv_version: 0912.3455v2 · doi: 10.48550/arxiv.0912.3455 · pith_short_12: PJAIEWZA4XMN · pith_short_16: PJAIEWZA4XMNSO2B · pith_short_8: PJAIEWZA

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/PJAIEWZA4XMNSO2BBHB7WUFP5W \
  | 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: 7a40825b20e5d8d93b4109c3fb50afed928dbfdcad919a77403427a066078ce3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3735248fa52454ab94039af2c01de240c79895001a558086495c694abfc90b95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-17T16:32:51Z",
    "title_canon_sha256": "12d40120a070a0bd8e118a1edd381065974124ca54cd9e6a58a3563009bf43d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3455",
    "kind": "arxiv",
    "version": 2
  }
}