Pith Number

pith:QSB6Z62E

pith:2018:QSB6Z62EYXMNAYW7JFONI37YA5

not attested not anchored not stored refs pending

Perturbation initial conditions for a couple of dark energy scalar field potentials

Chan-Gyung Park, Da-Hee Lee, Hyerim Noh, Jai-chan Hwang

arxiv:1809.01781 v1 · 2018-09-06 · gr-qc · 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{QSB6Z62EYXMNAYW7JFONI37YA5}

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	2026-05-18T00:06:21.913757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8483ecfb44c5d8d062df495cd46ff8075d22ca4f7136c9b27dc66bc19e3609cd

Aliases

arxiv: 1809.01781 · arxiv_version: 1809.01781v1 · doi: 10.48550/arxiv.1809.01781 · pith_short_12: QSB6Z62EYXMN · pith_short_16: QSB6Z62EYXMNAYW7 · pith_short_8: QSB6Z62E

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/QSB6Z62EYXMNAYW7JFONI37YA5 \
  | 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: 8483ecfb44c5d8d062df495cd46ff8075d22ca4f7136c9b27dc66bc19e3609cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71abea0cc82237bc820436fc9234071c8a22b9465c38cfe3079cdfd2431a9a1d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-09-06T01:23:13Z",
    "title_canon_sha256": "a1960a66b501ccdecf02942abf1bd4603210eb26ea5c25f9cb0076b93ee98273"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01781",
    "kind": "arxiv",
    "version": 1
  }
}