Pith Number

pith:HCWIOYYC

pith:2016:HCWIOYYCZC7AH2T6KC5ADG6YKH

not attested not anchored not stored refs pending

The free-boundary Brakke flow

Nick Edelen

arxiv:1602.03614 v3 · 2016-02-11 · 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{HCWIOYYCZC7AH2T6KC5ADG6YKH}

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	2026-05-18T00:30:28.845427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38ac876302c8be03ea7e50ba019bd851fbc84127387980f80acec200aae253ab

Aliases

arxiv: 1602.03614 · arxiv_version: 1602.03614v3 · doi: 10.48550/arxiv.1602.03614 · pith_short_12: HCWIOYYCZC7A · pith_short_16: HCWIOYYCZC7AH2T6 · pith_short_8: HCWIOYYC

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/HCWIOYYCZC7AH2T6KC5ADG6YKH \
  | 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: 38ac876302c8be03ea7e50ba019bd851fbc84127387980f80acec200aae253ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d39fa7e431a199cd9e7ec135634f670ab735c2bdc74d6e5d06874e18e371f172",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-02-11T05:03:28Z",
    "title_canon_sha256": "ab4d4e8227c154e8f2b2ac772e55559b2b6907c4914a3a6350f956049d20503a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03614",
    "kind": "arxiv",
    "version": 3
  }
}