Pith Number

pith:MC4IV3DR

pith:2009:MC4IV3DRK5DMVIAMM3YYR3JYSL

not attested not anchored not stored refs pending

Mass loss from OB-stars

F. Najarro, J.O. Sundqvist, J. Puls, M. M. Hanson

arxiv:0906.3398 v2 · 2009-06-18 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MC4IV3DRK5DMVIAMM3YYR3JYSL}

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	2026-07-04T16:21:42.037392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60b88aec715746caa00c66f188ed3892e65edd4621457c7d392f866ba4f2116f

Aliases

arxiv: 0906.3398 · arxiv_version: 0906.3398v2 · doi: 10.48550/arxiv.0906.3398 · pith_short_12: MC4IV3DRK5DM · pith_short_16: MC4IV3DRK5DMVIAM · pith_short_8: MC4IV3DR

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/MC4IV3DRK5DMVIAMM3YYR3JYSL \
  | 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: 60b88aec715746caa00c66f188ed3892e65edd4621457c7d392f866ba4f2116f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d6223fb47d1e629cfd9426cf51c74032a40261112c384889efe43bace001b5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-18T10:11:35Z",
    "title_canon_sha256": "604b05610bc56d6e94830cdddef36304ca96f8f0a6766c45591bc8fc60af435e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3398",
    "kind": "arxiv",
    "version": 2
  }
}