Pith Number

pith:F7UIKU3U

pith:2014:F7UIKU3U5YMDFYLOI4KIIJI2FQ

not attested not anchored not stored refs pending

Petrov type I Spacetime and Dual Relativistic Fluids

Qing Yang, Rong-Gen Cai, Yun-Long Zhang

arxiv:1401.7792 v2 · 2014-01-30 · hep-th · 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{F7UIKU3U5YMDFYLOI4KIIJI2FQ}

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	2026-05-18T02:44:01.890144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe8855374ee1832e16e471484251a2c08be2ab3dac569ff38c6a55c6c815682

Aliases

arxiv: 1401.7792 · arxiv_version: 1401.7792v2 · doi: 10.48550/arxiv.1401.7792 · pith_short_12: F7UIKU3U5YMD · pith_short_16: F7UIKU3U5YMDFYLO · pith_short_8: F7UIKU3U

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/F7UIKU3U5YMDFYLOI4KIIJI2FQ \
  | 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: 2fe8855374ee1832e16e471484251a2c08be2ab3dac569ff38c6a55c6c815682

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7bcbe46db8c0e738fd6c4189e1c2941dcf47b26b95a06bcc2cd3dd49ab84013",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-01-30T10:53:28Z",
    "title_canon_sha256": "953f8285b2e81ea1ac737d08b62c649b50a0ea40b717f5562ed519cea32a083f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7792",
    "kind": "arxiv",
    "version": 2
  }
}