Pith Number

pith:VZLAAZKQ

pith:1999:VZLAAZKQHVHR3PXGQQJKM2DG4A

not attested not anchored not stored refs pending

The Robustness of Quintessence

Jerome Martin, Philippe Brax

arxiv:astro-ph/9912046 v1 · 1999-12-02 · astro-ph · gr-qc · hep-ph · 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{VZLAAZKQHVHR3PXGQQJKM2DG4A}

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	2026-07-04T16:11:58.122879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae560065503d4f1dbee68412a66866e032b591f1073d7a325570a7ab52f27d51

Aliases

arxiv: astro-ph/9912046 · arxiv_version: astro-ph/9912046v1 · doi: 10.48550/arxiv.astro-ph/9912046 · pith_short_12: VZLAAZKQHVHR · pith_short_16: VZLAAZKQHVHR3PXG · pith_short_8: VZLAAZKQ

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/VZLAAZKQHVHR3PXGQQJKM2DG4A \
  | 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: ae560065503d4f1dbee68412a66866e032b591f1073d7a325570a7ab52f27d51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8219fd400d11141e0fe17c825a593a7af9bf8a21c4baab36357002adaa7daa92",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-02T16:18:41Z",
    "title_canon_sha256": "02411667fcf1087b406ec0ce9e9f1a62dcb43ff6ac734a921ab3bf6ff2a03318"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912046",
    "kind": "arxiv",
    "version": 1
  }
}