Pith Number

pith:6TYMUYQ2

pith:2011:6TYMUYQ2YZAEZESUJPRP3HV7FL

not attested not anchored not stored refs pending

Statefinder analysis of the superfluid Chaplygin gas model

V. A. Popov

arxiv:1105.4325 v2 · 2011-05-22 · gr-qc · astro-ph.CO

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

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	2026-05-18T04:07:05.253619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4f0ca621ac6404c92544be2fd9ebf2af89ff63215bb26d7f878a0c2ad536629

Aliases

arxiv: 1105.4325 · arxiv_version: 1105.4325v2 · doi: 10.48550/arxiv.1105.4325 · pith_short_12: 6TYMUYQ2YZAE · pith_short_16: 6TYMUYQ2YZAEZESU · pith_short_8: 6TYMUYQ2

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/6TYMUYQ2YZAEZESUJPRP3HV7FL \
  | 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: f4f0ca621ac6404c92544be2fd9ebf2af89ff63215bb26d7f878a0c2ad536629

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ab1bf6996ec653ed451eec21f80d4c2eb0a530fbfbbc0a4edfff533d7b869c7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-05-22T10:05:33Z",
    "title_canon_sha256": "a07e54b124dc21f15378556c9bdf426ef025dfa6de35ce1a114b922d5e0b1b1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4325",
    "kind": "arxiv",
    "version": 2
  }
}