Pith Number

pith:EMHPXWCC

pith:2018:EMHPXWCCKV2ZFEE3VVELPQMOZ2

not attested not anchored not stored refs pending

A rigidity theorem for ideal surfaces with flat boundary

Glen Wheeler, James McCoy

arxiv:1812.04761 v1 · 2018-12-12 · math.DG

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

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	2026-05-17T23:58:29.562557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

230efbd842557592909bad48b7c18eceaca70ea7328b05f772d9810638cc7a3e

Aliases

arxiv: 1812.04761 · arxiv_version: 1812.04761v1 · doi: 10.48550/arxiv.1812.04761 · pith_short_12: EMHPXWCCKV2Z · pith_short_16: EMHPXWCCKV2ZFEE3 · pith_short_8: EMHPXWCC

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/EMHPXWCCKV2ZFEE3VVELPQMOZ2 \
  | 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: 230efbd842557592909bad48b7c18eceaca70ea7328b05f772d9810638cc7a3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f9082960ca59f7403124b79448011400a4a377770a2b6b99f79c83bf8557ef6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-12-12T01:16:51Z",
    "title_canon_sha256": "e70d10a9d06e5eaf7e319b1941015e0bcb34f1f78f70436d486f924c11c56fff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04761",
    "kind": "arxiv",
    "version": 1
  }
}