Pith Number

pith:NHGLWQPQ

pith:2009:NHGLWQPQT2UFYFVTFD6II5AS5H

not attested not anchored not stored refs pending

Timelike Vector Field Dynamics in the Early Universe

Bin Hu, Seoktae Koh

arxiv:0901.0429 v4 · 2009-01-05 · hep-th · astro-ph.CO · gr-qc · hep-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{NHGLWQPQT2UFYFVTFD6II5AS5H}

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	2026-05-18T02:15:03.382098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69ccbb41f09ea85c16b328fc847412e9c5c591c07cec1f7a178fb68a0d6e4b2a

Aliases

arxiv: 0901.0429 · arxiv_version: 0901.0429v4 · doi: 10.48550/arxiv.0901.0429 · pith_short_12: NHGLWQPQT2UF · pith_short_16: NHGLWQPQT2UFYFVT · pith_short_8: NHGLWQPQ

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/NHGLWQPQT2UFYFVTFD6II5AS5H \
  | 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: 69ccbb41f09ea85c16b328fc847412e9c5c591c07cec1f7a178fb68a0d6e4b2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a293f1b640fa6eab9c2f5b5d527c33b588dfa7753d27364e9af3cb366af24d17",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-01-05T06:37:35Z",
    "title_canon_sha256": "70db229d753e28df36423b0c33904161049eee35752803f2ebfbcd9ca2c14961"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0429",
    "kind": "arxiv",
    "version": 4
  }
}