Pith Number

pith:MUMXTU7W

pith:2011:MUMXTU7WROSSO4XC3INVR7QTCI

not attested not anchored not stored refs pending

Avoiding the dangers of a soft-wall singularity

Damien P. George, Marieke Postma

arxiv:1105.3390 v1 · 2011-05-17 · 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{MUMXTU7WROSSO4XC3INVR7QTCI}

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	2026-05-18T04:22:00.137822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

651979d3f68ba52772e2da1b58fe131219bdc21c006db21174ec7e9e992489c6

Aliases

arxiv: 1105.3390 · arxiv_version: 1105.3390v1 · doi: 10.48550/arxiv.1105.3390 · pith_short_12: MUMXTU7WROSS · pith_short_16: MUMXTU7WROSSO4XC · pith_short_8: MUMXTU7W

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/MUMXTU7WROSSO4XC3INVR7QTCI \
  | 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: 651979d3f68ba52772e2da1b58fe131219bdc21c006db21174ec7e9e992489c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b34a593362b3ad3a054faa8ac851f07423d69ef0afb4cd5edca9a43133e06761",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-05-17T14:18:32Z",
    "title_canon_sha256": "b0fe037195bef319d28c8f9ddbd98dc65491de5a44b9ab50aea39f957b6b808a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3390",
    "kind": "arxiv",
    "version": 1
  }
}