Pith Number

pith:EGQQCSW4

pith:2014:EGQQCSW4EID2V4RMFRYXQD3SVS

not attested not anchored not stored refs pending

Mean curvature flow with free boundary outside a hypersphere

Glen Wheeler, Valentina-Mira Wheeler

arxiv:1405.7774 v1 · 2014-05-30 · 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{EGQQCSW4EID2V4RMFRYXQD3SVS}

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	2026-05-18T02:50:49.876872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21a1014adc2207aaf22c2c71780f72ac9fbb78e96659762ea45c02d2de421f46

Aliases

arxiv: 1405.7774 · arxiv_version: 1405.7774v1 · doi: 10.48550/arxiv.1405.7774 · pith_short_12: EGQQCSW4EID2 · pith_short_16: EGQQCSW4EID2V4RM · pith_short_8: EGQQCSW4

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/EGQQCSW4EID2V4RMFRYXQD3SVS \
  | 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: 21a1014adc2207aaf22c2c71780f72ac9fbb78e96659762ea45c02d2de421f46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2a629aceeff7cfdf953160fba17e4719c01fefbd5d81c64311b3680ba34f6a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-05-30T04:52:39Z",
    "title_canon_sha256": "cbba95c22eec93925b6cd69547c1889e1bf85be93a9bfc15f9a792aa0740227c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7774",
    "kind": "arxiv",
    "version": 1
  }
}