Pith Number

pith:IPPMBU3C

pith:1998:IPPMBU3CGUC5C2SKVTCPA76KFE

not attested not anchored not stored refs pending

Singularity free dilaton-driven cosmologies and pre-little-bang

Massimo Giovannini (Dep. of Applied Mathematics, Theoretical Physics, UK), University of Cambridge

arxiv:hep-th/9807049 v1 · 1998-07-07 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPPMBU3CGUC5C2SKVTCPA76KFE}

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	2026-05-18T04:35:15.815707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43dec0d3623505d16a4aacc4f07fca29212b7c737f58a8c8b12e86f8548b6a2f

Aliases

arxiv: hep-th/9807049 · arxiv_version: hep-th/9807049v1 · doi: 10.48550/arxiv.hep-th/9807049 · pith_short_12: IPPMBU3CGUC5 · pith_short_16: IPPMBU3CGUC5C2SK · pith_short_8: IPPMBU3C

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/IPPMBU3CGUC5C2SKVTCPA76KFE \
  | 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: 43dec0d3623505d16a4aacc4f07fca29212b7c737f58a8c8b12e86f8548b6a2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "099909dcba41f5cb0ffebd2990769687c6af733446456921739687baa712bc0d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1998-07-07T17:54:45Z",
    "title_canon_sha256": "83df441e2de2041c4169fa0f288aaeb1fe073d0b33a69469c88c7e2d837c24a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9807049",
    "kind": "arxiv",
    "version": 1
  }
}