Pith Number

pith:SIPHOCXC

pith:2015:SIPHOCXCR6PIQJFIVDE4TLQRFZ

not attested not anchored not stored refs pending

Trajectories escaping to infinity in finite time

J.K. Langley

arxiv:1507.02861 v3 · 2015-07-10 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIPHOCXCR6PIQJFIVDE4TLQRFZ}

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	2026-05-18T01:11:08.538425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

921e770ae28f9e8824a8a8c9c9ae112e698780fbf7d0927e1e9795d2381574dd

Aliases

arxiv: 1507.02861 · arxiv_version: 1507.02861v3 · doi: 10.48550/arxiv.1507.02861 · pith_short_12: SIPHOCXCR6PI · pith_short_16: SIPHOCXCR6PIQJFI · pith_short_8: SIPHOCXC

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/SIPHOCXCR6PIQJFIVDE4TLQRFZ \
  | 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: 921e770ae28f9e8824a8a8c9c9ae112e698780fbf7d0927e1e9795d2381574dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5416f5b05e5c8ef8f72443d56b22632cc3ebed5fe8fd9f622c43fc5bc2fd9f58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-07-10T11:42:31Z",
    "title_canon_sha256": "fb16c922ec35eed00d8d2a1c66cb0ff60ccc7eedd25974192579241da41280d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02861",
    "kind": "arxiv",
    "version": 3
  }
}