Pith Number

pith:3WXNLD3D

pith:2008:3WXNLD3DQHMDT5AZGTCYROGPT7

not attested not anchored not stored refs pending

Colliding branes and formation of spacetime singularities in string theory

Andreas Tziolas, Anzhong Wang, Zhong Chao Wu

arxiv:0812.1377 v2 · 2008-12-07 · hep-th · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WXNLD3DQHMDT5AZGTCYROGPT7}

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	2026-07-04T15:41:17.375775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddaed58f6381d839f41934c588b8cf9fda5f1298d1183aef7825342b71ab4c66

Aliases

arxiv: 0812.1377 · arxiv_version: 0812.1377v2 · doi: 10.48550/arxiv.0812.1377 · pith_short_12: 3WXNLD3DQHMD · pith_short_16: 3WXNLD3DQHMDT5AZ · pith_short_8: 3WXNLD3D

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/3WXNLD3DQHMDT5AZGTCYROGPT7 \
  | 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: ddaed58f6381d839f41934c588b8cf9fda5f1298d1183aef7825342b71ab4c66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5239fb34e56089de6f37f0d775faa3a4c3183e3a2aa622744dde2fac0943e2e",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-12-07T19:12:50Z",
    "title_canon_sha256": "faab7cf6c6a29b898c9d8275f44dd33501f18f357cae4413777debcdaf0f04a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.1377",
    "kind": "arxiv",
    "version": 2
  }
}