Pith Number

pith:D7F2DVNP

pith:2015:D7F2DVNPWE5FK6PBWEGBMTSTGP

not attested not anchored not stored refs pending

No hyperbolic pants for the 4-body problem

Connor Jackman, Richard Montgomery

arxiv:1502.00606 v1 · 2015-02-02 · math.DS · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D7F2DVNPWE5FK6PBWEGBMTSTGP}

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	2026-05-18T02:28:05.748128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fcba1d5afb13a5579e1b10c164e5333dd2d507c555b637dcfaf141645e04ca0

Aliases

arxiv: 1502.00606 · arxiv_version: 1502.00606v1 · doi: 10.48550/arxiv.1502.00606 · pith_short_12: D7F2DVNPWE5F · pith_short_16: D7F2DVNPWE5FK6PB · pith_short_8: D7F2DVNP

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/D7F2DVNPWE5FK6PBWEGBMTSTGP \
  | 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: 1fcba1d5afb13a5579e1b10c164e5333dd2d507c555b637dcfaf141645e04ca0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb5f4c398414b2bb62b281f162c9b3fbf7d089505923aac49b877d11069aa699",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-02-02T20:15:40Z",
    "title_canon_sha256": "3e0a1879b987dd596c34eea989f3f6ce9ca16c2542ef26c4bbf2cfc915053e67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00606",
    "kind": "arxiv",
    "version": 1
  }
}