Pith Number

pith:G6Q55RLU

pith:2008:G6Q55RLUH67BWMWR5M77MX7V5P

not attested not anchored not stored refs pending

Phantom expansion with non-linear Schr\"{o}dinger-type formulation of scalar field cosmology

Burin Gumjudpai (TPTP Naresuan U., DAMTP U. Cambridge), Roongtum Sooksan (TPTP Naresuan U.), Theerakarn Phetnora (TPTP Naresuan U.)

arxiv:0805.3794 v2 · 2008-05-24 · gr-qc · astro-ph · 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{G6Q55RLUH67BWMWR5M77MX7V5P}

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

Gauge vs (hidden) physical symmetries of FLRW cosmologies

Receipt and verification

First computed	2026-05-18T02:35:22.244463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37a1dec5743fbe1b32d1eb3ff65ff5ebcc6157b24bfbd9e5ec0917099beccef6

Aliases

arxiv: 0805.3794 · arxiv_version: 0805.3794v2 · doi: 10.48550/arxiv.0805.3794 · pith_short_12: G6Q55RLUH67B · pith_short_16: G6Q55RLUH67BWMWR · pith_short_8: G6Q55RLU

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/G6Q55RLUH67BWMWR5M77MX7V5P \
  | 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: 37a1dec5743fbe1b32d1eb3ff65ff5ebcc6157b24bfbd9e5ec0917099beccef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2fecbc5b0160b59e4c8e587f60130d3a6021d443cd5ed60af60714bafb14bf9",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-05-24T21:07:38Z",
    "title_canon_sha256": "668f2dee9908b90006abdb98d46c7c6277c9ae16deeab11db53ae67b721bdd94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3794",
    "kind": "arxiv",
    "version": 2
  }
}