Pith Number

pith:FAKHDJFU

pith:2021:FAKHDJFUZTEE4ICJ5OECBR3IB2

not attested not anchored not stored refs pending

Constraining the dark-energy equation of state with cosmological data

Kin-Wang Ng, Wolung Lee, Yu-Ping Teng

arxiv:2105.02667 v2 · 2021-05-06 · astro-ph.CO · hep-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{FAKHDJFUZTEE4ICJ5OECBR3IB2}

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

Mapping the redshift drift at various redshifts through cosmography

Receipt and verification

First computed	2026-07-05T03:21:48.249897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

281471a4b4ccc84e2049eb8820c7680eb596fcb787948e9ce05eb31470b60e2f

Aliases

arxiv: 2105.02667 · arxiv_version: 2105.02667v2 · doi: 10.48550/arxiv.2105.02667 · pith_short_12: FAKHDJFUZTEE · pith_short_16: FAKHDJFUZTEE4ICJ · pith_short_8: FAKHDJFU

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/FAKHDJFUZTEE4ICJ5OECBR3IB2 \
  | 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: 281471a4b4ccc84e2049eb8820c7680eb596fcb787948e9ce05eb31470b60e2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b25119a39c73cdb4ec3b6689bac32d2d874225721ab7593d8d17db59f1e2b8b",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-05-06T13:47:16Z",
    "title_canon_sha256": "f979e3f29cd4614804468252c08f83889198a438642736f4e446fd5177e85000"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.02667",
    "kind": "arxiv",
    "version": 2
  }
}