Pith Number

pith:QV2HTETO

pith:2015:QV2HTETOKAPQQ4GJUXDUDDY75V

not attested not anchored not stored refs pending

Superconducting dark energy

Shi-Dong Liang, Tiberiu Harko

arxiv:1504.02645 v1 · 2015-04-10 · gr-qc · astro-ph.CO · 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{QV2HTETOKAPQQ4GJUXDUDDY75V}

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	2026-05-18T01:40:49.004206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

857479926e501f0870c9a5c7418f1fed64867713e799c16a57b49ae8a8458d75

Aliases

arxiv: 1504.02645 · arxiv_version: 1504.02645v1 · doi: 10.48550/arxiv.1504.02645 · pith_short_12: QV2HTETOKAPQ · pith_short_16: QV2HTETOKAPQQ4GJ · pith_short_8: QV2HTETO

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/QV2HTETOKAPQQ4GJUXDUDDY75V \
  | 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: 857479926e501f0870c9a5c7418f1fed64867713e799c16a57b49ae8a8458d75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04e4a546436cedc8bcce83a5649d4078e767780a2f69b977c99f97e04aecdbc9",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-04-10T11:56:46Z",
    "title_canon_sha256": "e30deb3f88a50fdcd3124d97395ea0ce22a53c2698f79663f0e8d88365c35bf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02645",
    "kind": "arxiv",
    "version": 1
  }
}