Pith Number

pith:UDX5I6II

pith:2014:UDX5I6IIHHBPQS2UPIMJHXFWTX

not attested not anchored not stored refs pending

Heating from free-free absorption and the mass-loss rate of the progenitor stars to supernovae

Claes-I. Bjornsson, Peter Lundqvist

arxiv:1404.5800 v1 · 2014-04-23 · 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{UDX5I6IIHHBPQS2UPIMJHXFWTX}

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	2026-05-18T01:43:25.930054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0efd4790839c2f84b547a1893dcb69dd61af8c85c4ec69383f83b9e5c295292

Aliases

arxiv: 1404.5800 · arxiv_version: 1404.5800v1 · doi: 10.48550/arxiv.1404.5800 · pith_short_12: UDX5I6IIHHBP · pith_short_16: UDX5I6IIHHBPQS2U · pith_short_8: UDX5I6II

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/UDX5I6IIHHBPQS2UPIMJHXFWTX \
  | 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: a0efd4790839c2f84b547a1893dcb69dd61af8c85c4ec69383f83b9e5c295292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51da3b5b44aae1bc641c1db8367efb608160162abb6d06eca90beabeb63b838a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-04-23T12:20:14Z",
    "title_canon_sha256": "c0ef6ae065541e5ae9cb6b58a7691bcf5471519d52e3f741ceda45a1382861ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5800",
    "kind": "arxiv",
    "version": 1
  }
}