Pith Number

pith:DWKGXS6N

pith:2004:DWKGXS6NNBPTLUWG67SEPAFPGC

not attested not anchored not stored refs pending

Adiabatic and entropy perturbations with interacting fluids and fields

David Wands, Karim A. Malik

arxiv:astro-ph/0411703 v2 · 2004-11-25 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWKGXS6NNBPTLUWG67SEPAFPGC}

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.

Cited by

1 paper in Pith

Isocurvature Induced Gravitational Waves at Pulsar Timing Arrays

Receipt and verification

First computed	2026-07-04T16:45:18.054853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d946bcbcd685f35d2c6f7e44780af308fbb6254fdc2b4516233891f466279ef

Aliases

arxiv: astro-ph/0411703 · arxiv_version: astro-ph/0411703v2 · doi: 10.48550/arxiv.astro-ph/0411703 · pith_short_12: DWKGXS6NNBPT · pith_short_16: DWKGXS6NNBPTLUWG · pith_short_8: DWKGXS6N

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/DWKGXS6NNBPTLUWG67SEPAFPGC \
  | 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: 1d946bcbcd685f35d2c6f7e44780af308fbb6254fdc2b4516233891f466279ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6152d646228549365c90ad04380a7aec6bcebf96edfbe82acb80762087c0b61",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-25T17:26:18Z",
    "title_canon_sha256": "566e291df248431e8d0db14632ed10be6709a5497a4915407747094968688239"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411703",
    "kind": "arxiv",
    "version": 2
  }
}