Pith Number

pith:DHCXSQND

pith:1999:DHCXSQND4RF3O2TKZT6KZO6X47

not attested not anchored not stored refs pending

Extended Quintessence

Carlo Baccigalupi, Francesca Perrotta, Sabino Matarrese

arxiv:astro-ph/9906066 v2 · 1999-06-03 · astro-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DHCXSQND4RF3O2TKZT6KZO6X47}

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

2 papers in Pith

The Status of Single Scalar Field Dark Energy

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

Receipt and verification

First computed	2026-07-04T16:11:17.071123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19c57941a3e44bb76a6accfcacbbd7e7fc7088c90861fe6d0e0546f432e3a1d2

Aliases

arxiv: astro-ph/9906066 · arxiv_version: astro-ph/9906066v2 · doi: 10.48550/arxiv.astro-ph/9906066 · pith_short_12: DHCXSQND4RF3 · pith_short_16: DHCXSQND4RF3O2TK · pith_short_8: DHCXSQND

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/DHCXSQND4RF3O2TKZT6KZO6X47 \
  | 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: 19c57941a3e44bb76a6accfcacbbd7e7fc7088c90861fe6d0e0546f432e3a1d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8d4bb5681ef07bb8804cd3a36dc4fc08df80a53e4ff1f1f00d1ff4eb5754907",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-06-03T16:33:38Z",
    "title_canon_sha256": "e6caef0574f9aab036a71c5d80d4bccad504936abbecd52763ec3465166093d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9906066",
    "kind": "arxiv",
    "version": 2
  }
}