Pith Number

pith:PKSVLUGY

pith:2011:PKSVLUGY3KUN5QLOSCIO4U6Y2E

not attested not anchored not stored refs pending

Constraining Thawing Quintessence

Anjan A Sen, Gaveshna Gupta, Subhabrata Majumdar

arxiv:1109.4112 v2 · 2011-09-19 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PKSVLUGY3KUN5QLOSCIO4U6Y2E}

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	2026-05-18T02:00:29.163141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aa555d0d8daa8dec16e9090ee53d8d1082097825128c9b782e011bf810fe264

Aliases

arxiv: 1109.4112 · arxiv_version: 1109.4112v2 · doi: 10.48550/arxiv.1109.4112 · pith_short_12: PKSVLUGY3KUN · pith_short_16: PKSVLUGY3KUN5QLO · pith_short_8: PKSVLUGY

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/PKSVLUGY3KUN5QLOSCIO4U6Y2E \
  | 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: 7aa555d0d8daa8dec16e9090ee53d8d1082097825128c9b782e011bf810fe264

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8c4c709c2fb9ff6f6d15ce7274dc3def3111f7e2296fb4711a088d6aac4bcc6",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-19T18:12:13Z",
    "title_canon_sha256": "1c7930fded27fc803df3a27a07587b084b45cade6527303dcad5eca7aa721797"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4112",
    "kind": "arxiv",
    "version": 2
  }
}