pith. sign in
Pith Number

pith:2HDLAJ3D

pith:2016:2HDLAJ3D2N4PKKTGC7VYKZBAJ4
not attested not anchored not stored refs pending

Effective FRW Radiation Dominated Era

Aureliano Skirzewski, Jesus Rodriguez

arxiv:1701.00170 v1 · 2016-12-31 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2HDLAJ3D2N4PKKTGC7VYKZBAJ4}

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 2026-05-18T00:53:36.151471Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d1c6b02763d378f52a6617eb8564204f34ba465e17eb8ca5028674743aeae320

Aliases

arxiv: 1701.00170 · arxiv_version: 1701.00170v1 · doi: 10.48550/arxiv.1701.00170 · pith_short_12: 2HDLAJ3D2N4P · pith_short_16: 2HDLAJ3D2N4PKKTG · pith_short_8: 2HDLAJ3D
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2HDLAJ3D2N4PKKTGC7VYKZBAJ4 \
  | 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: d1c6b02763d378f52a6617eb8564204f34ba465e17eb8ca5028674743aeae320
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c70a9c54a74fc91cc223cfe1db2ac548db61f122854e9bfcd8549cf64cc8f20f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-12-31T22:22:06Z",
    "title_canon_sha256": "16255df2ca133f8636b105fc2f94f40b9f93507a9ba1485113a8621acf19ab17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00170",
    "kind": "arxiv",
    "version": 1
  }
}