Pith Number

pith:YGZ5NUTI

pith:2011:YGZ5NUTIBLQHMIOAE6RA6ZHRM3

not attested not anchored not stored refs pending

Quark-Hadron Phase Transitions in Viscous Early Universe

A. Tawfik (Egyptian Ctr. Theor. Phys., Berlin), Cairo, Freie U., T. Harko (Hong Kong U.)

arxiv:1108.5697 v2 · 2011-08-29 · 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{YGZ5NUTIBLQHMIOAE6RA6ZHRM3}

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	2026-05-18T03:57:12.778336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1b3d6d2680ae07621c027a20f64f166e17741cad36e1c47036fd270d8e8b0d6

Aliases

arxiv: 1108.5697 · arxiv_version: 1108.5697v2 · doi: 10.48550/arxiv.1108.5697 · pith_short_12: YGZ5NUTIBLQH · pith_short_16: YGZ5NUTIBLQHMIOA · pith_short_8: YGZ5NUTI

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/YGZ5NUTIBLQHMIOAE6RA6ZHRM3 \
  | 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: c1b3d6d2680ae07621c027a20f64f166e17741cad36e1c47036fd270d8e8b0d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc499aef1c75e89b326c2c18912d1f4e821cd6004ffd25c79845c37c3d4fc23f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-29T18:41:02Z",
    "title_canon_sha256": "fb7c5dbf9be10076007e2146b135c6b8b1a44b79eb741befc4c2f3e89573765f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5697",
    "kind": "arxiv",
    "version": 2
  }
}