Pith Number

pith:7R5FT4AS

pith:2025:7R5FT4ASDQQSB3VLJAP6EGQACY

not attested not anchored not stored refs pending

Space cannot stretch too {\it fast}

Samir D. Mathur

arxiv:2505.10368 v1 · 2025-05-15 · 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{7R5FT4ASDQQSB3VLJAP6EGQACY}

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	2026-07-05T11:03:37.416965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc7a59f0121c2120eeab481fe21a00161d4a49add4d26787bdb169afce10143d

Aliases

arxiv: 2505.10368 · arxiv_version: 2505.10368v1 · doi: 10.48550/arxiv.2505.10368 · pith_short_12: 7R5FT4ASDQQS · pith_short_16: 7R5FT4ASDQQSB3VL · pith_short_8: 7R5FT4AS

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/7R5FT4ASDQQSB3VLJAP6EGQACY \
  | 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: fc7a59f0121c2120eeab481fe21a00161d4a49add4d26787bdb169afce10143d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d37ace0b9e06c6b63e2cbf76152353e32f3ccee17fb89a3624fc3dbc88bb72d7",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2025-05-15T14:55:47Z",
    "title_canon_sha256": "61b6f6897fc8480d14e2234bd77f8c4b19838e239bfc7e22ca0ce5b0edf77b36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.10368",
    "kind": "arxiv",
    "version": 1
  }
}