Pith Number

pith:H3NMVUPY

pith:2016:H3NMVUPYJHO2PNUND7TMKL5LCX

not attested not anchored not stored refs pending

On the boundedness of SLC surfaces of general type

Christopher D. Hacon, S\'andor J Kov\'acs

arxiv:1603.04894 v2 · 2016-03-15 · math.AG

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	2026-05-18T01:03:30.566000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3edacad1f849dda7b68d1fe6c52fab15f200ff3927ce986e71822857b765b61b

Aliases

arxiv: 1603.04894 · arxiv_version: 1603.04894v2 · doi: 10.48550/arxiv.1603.04894 · pith_short_12: H3NMVUPYJHO2 · pith_short_16: H3NMVUPYJHO2PNUN · pith_short_8: H3NMVUPY

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/H3NMVUPYJHO2PNUND7TMKL5LCX \
  | 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: 3edacad1f849dda7b68d1fe6c52fab15f200ff3927ce986e71822857b765b61b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "090bfa468a7f481999daa4dea1b5eef955d3e5b2cd3f5eecda946a7977802400",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-03-15T21:44:27Z",
    "title_canon_sha256": "f763fa17d0e51e73b6a66c61b93222100f65043a7964eb73818919978d37c43b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04894",
    "kind": "arxiv",
    "version": 2
  }
}