Pith Number

pith:7JECZ2WU

pith:1998:7JECZ2WUOQXG4PKRDH7JOW7IAD

not attested not anchored not stored refs pending

Fully Anisotropic String Cosmologies, Maxwell Fields and Primordial Shear

Institute of Cosmology), Massimo Giovannini (Tufts University

arxiv:gr-qc/9812021 v1 · 1998-12-07 · 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{7JECZ2WUOQXG4PKRDH7JOW7IAD}

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	2026-05-18T01:06:44.156142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa482cead4742e6e3d5119fe975be800ffd54a8b392cdd6a4291082d1212663e

Aliases

arxiv: gr-qc/9812021 · arxiv_version: gr-qc/9812021v1 · doi: 10.48550/arxiv.gr-qc/9812021 · pith_short_12: 7JECZ2WUOQXG · pith_short_16: 7JECZ2WUOQXG4PKR · pith_short_8: 7JECZ2WU

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/7JECZ2WUOQXG4PKRDH7JOW7IAD \
  | 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: fa482cead4742e6e3d5119fe975be800ffd54a8b392cdd6a4291082d1212663e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c8c0aca6d6a202f44e7b26ef741e7b1f42bdef3e45168c4d24f978fb7cc168e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-12-07T02:08:53Z",
    "title_canon_sha256": "fe857e01dd22dba71da30d28d572f48fcdd68b5e545db7d5de60ae26370b2798"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9812021",
    "kind": "arxiv",
    "version": 1
  }
}