Pith Number

pith:2HSTMWMX

pith:2001:2HSTMWMXHNNW7DASHSM7F3EEO3

not attested not anchored not stored refs pending

Measuring the Speed of Sound of Quintessence

C. Armendariz-Picon, Joel K. Erickson, Paul J. Steinhardt, R.R. Caldwell, V. Mukhanov

arxiv:astro-ph/0112438 v1 · 2001-12-19 · 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{2HSTMWMXHNNW7DASHSM7F3EEO3}

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

Collider Probes of Dark Energy Microphysics

Receipt and verification

First computed	2026-07-04T15:49:34.938215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1e53659973b5b6f8c123c99f2ec8476dead3dd58d38451c86188163ecdfecdb

Aliases

arxiv: astro-ph/0112438 · arxiv_version: astro-ph/0112438v1 · doi: 10.48550/arxiv.astro-ph/0112438 · pith_short_12: 2HSTMWMXHNNW · pith_short_16: 2HSTMWMXHNNW7DAS · pith_short_8: 2HSTMWMX

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/2HSTMWMXHNNW7DASHSM7F3EEO3 \
  | 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: d1e53659973b5b6f8c123c99f2ec8476dead3dd58d38451c86188163ecdfecdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dcc2da3ce204327a4f81ae25cb449be760d869b0dd2c9118092ec9d0d804bad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-19T05:19:59Z",
    "title_canon_sha256": "7ff03925acefa8d427ce5d7bfb240eddf30519bf8c736e1cbc289322fcb4eed0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112438",
    "kind": "arxiv",
    "version": 1
  }
}