Pith Number

pith:UIYYR5G3

pith:2003:UIYYR5G32FYZGYSIYGAJ72R2PS

not attested not anchored not stored refs pending

Phantom scalar fields result in inflation rather than Big Rip

Artyom Yurov

arxiv:astro-ph/0305019 v1 · 2003-05-01 · 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{UIYYR5G32FYZGYSIYGAJ72R2PS}

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

Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution

Receipt and verification

First computed	2026-07-04T14:12:42.551149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a23188f4dbd171936248c1809fea3a7c9ca919853e36f9403a3d91d4b67491f1

Aliases

arxiv: astro-ph/0305019 · arxiv_version: astro-ph/0305019v1 · doi: 10.48550/arxiv.astro-ph/0305019 · pith_short_12: UIYYR5G32FYZ · pith_short_16: UIYYR5G32FYZGYSI · pith_short_8: UIYYR5G3

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/UIYYR5G32FYZGYSIYGAJ72R2PS \
  | 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: a23188f4dbd171936248c1809fea3a7c9ca919853e36f9403a3d91d4b67491f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43b86c851d1afc96307317dfc927a6972b1eff8f716abd359d458bd76e693ca2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-01T15:14:53Z",
    "title_canon_sha256": "463b64329843f1b3395e1676cff5d8a519d4efcc122d44d9569bf093a276b7b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305019",
    "kind": "arxiv",
    "version": 1
  }
}