Pith Number

pith:DBNUPLAF

pith:2017:DBNUPLAFGJLSEP64CCKDSFJ7M7

not attested not anchored not stored refs pending

Resonant temperature fluctuations in nebulae ionized by short-period binary stars

Ehab E. Ahmed, Manuel A. Bautista

arxiv:1709.07945 v1 · 2017-09-22 · 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{DBNUPLAFGJLSEP64CCKDSFJ7M7}

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	2026-05-18T00:34:28.464485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

185b47ac053257223fdc109439153f67fb87f86f5a7b6bd6cf0a7e74a79fe47f

Aliases

arxiv: 1709.07945 · arxiv_version: 1709.07945v1 · doi: 10.48550/arxiv.1709.07945 · pith_short_12: DBNUPLAFGJLS · pith_short_16: DBNUPLAFGJLSEP64 · pith_short_8: DBNUPLAF

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/DBNUPLAFGJLSEP64CCKDSFJ7M7 \
  | 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: 185b47ac053257223fdc109439153f67fb87f86f5a7b6bd6cf0a7e74a79fe47f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94f517be1b5e23d33093c61880f80a7f97e22e4baffae6055895882c1a0c4db6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-09-22T20:55:52Z",
    "title_canon_sha256": "902a367dc95c1a4e26b276cee725c8a792131952ab088409ac2530c2c5331472"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07945",
    "kind": "arxiv",
    "version": 1
  }
}