Pith Number

pith:OG63466Q

pith:2015:OG63466QQQ2652JY2STF7SWJMY

not attested not anchored not stored refs pending

p-capacity vs surface-area

Jie Xiao

arxiv:1506.03827 v2 · 2015-06-11 · 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	2026-05-18T01:49:31.039620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71bdbe7bd08435eee938d4a65fcac96601c5fce1435faf22b535ed5e058a91c5

Aliases

arxiv: 1506.03827 · arxiv_version: 1506.03827v2 · doi: 10.48550/arxiv.1506.03827 · pith_short_12: OG63466QQQ26 · pith_short_16: OG63466QQQ2652JY · pith_short_8: OG63466Q

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/OG63466QQQ2652JY2STF7SWJMY \
  | 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: 71bdbe7bd08435eee938d4a65fcac96601c5fce1435faf22b535ed5e058a91c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac9080cce60b18779005c4b9fd0321ca4901c25212d832ea0e4fa8c12bb5f83f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-06-11T20:26:41Z",
    "title_canon_sha256": "91c4051fcc4bc03d4e639cfd4338e66d34d2c2c50e30a19cfc661a11f8a09aba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03827",
    "kind": "arxiv",
    "version": 2
  }
}