Pith Number

pith:RR6GHTKW

pith:2013:RR6GHTKWM5JJFR2NNYB6S262AK

not attested not anchored not stored refs pending

Can an interacting varying Chaplygin gas and tachyonic matter accelerate Universe?

Martiros Khurshudyan

arxiv:1301.4990 v2 · 2013-01-20 · physics.gen-ph · 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{RR6GHTKWM5JJFR2NNYB6S262AK}

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	2026-05-18T00:38:06.692966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c7c63cd56675292c74d6e03e96bda02ae15e4285c9a81b8ea7186c8ffd391e5

Aliases

arxiv: 1301.4990 · arxiv_version: 1301.4990v2 · doi: 10.48550/arxiv.1301.4990 · pith_short_12: RR6GHTKWM5JJ · pith_short_16: RR6GHTKWM5JJFR2N · pith_short_8: RR6GHTKW

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/RR6GHTKWM5JJFR2NNYB6S262AK \
  | 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: 8c7c63cd56675292c74d6e03e96bda02ae15e4285c9a81b8ea7186c8ffd391e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25c68ce01ded4acd1fa6bbd8e75242c268912252dc983c6a16e4fdb46c8a2975",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2013-01-20T12:51:42Z",
    "title_canon_sha256": "9f13390881faffcf3e272b3c58ef89d43bcde88b89ed8737df182d873b1b8c34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4990",
    "kind": "arxiv",
    "version": 2
  }
}