Pith Number

pith:4TIDX7KE

pith:2014:4TIDX7KEEAOQUJCEJXAPY4SIW2

not attested not anchored not stored refs pending

Uniqueness and Nonuniqueness in Inverse Hyperbolic Problems and The Black Hole Phenomenon

Gregory Eskin

arxiv:1407.5226 v1 · 2014-07-19 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TIDX7KEEAOQUJCEJXAPY4SIW2}

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	2026-05-18T02:47:14.636912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4d03bfd44201d0a24444dc0fc7248b699fafddfd0ce73580c964073023dc003

Aliases

arxiv: 1407.5226 · arxiv_version: 1407.5226v1 · doi: 10.48550/arxiv.1407.5226 · pith_short_12: 4TIDX7KEEAOQ · pith_short_16: 4TIDX7KEEAOQUJCE · pith_short_8: 4TIDX7KE

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/4TIDX7KEEAOQUJCEJXAPY4SIW2 \
  | 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: e4d03bfd44201d0a24444dc0fc7248b699fafddfd0ce73580c964073023dc003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1773a02605e240288c07a999252837ca1d4431e82dd9dd16746ac5413aeff1a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-07-19T23:33:50Z",
    "title_canon_sha256": "7264ae0a31c2d228edc036518429d18e9a57a7dd0d0d5770c31d8c885457cb03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5226",
    "kind": "arxiv",
    "version": 1
  }
}