Pith Number

pith:S777QD4G

pith:2015:S777QD4GUETBVJUGQCILBDQRSE

not attested not anchored not stored refs pending

The Chow ring of a Fulton-MacPherson compactification

Dan Petersen

arxiv:1506.05878 v1 · 2015-06-19 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S777QD4GUETBVJUGQCILBDQRSE}

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	2026-05-18T00:48:43.248224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97fff80f86a1261aa6868090b08e11912ceb5f61ad8659cc8e6a0b022ec489b3

Aliases

arxiv: 1506.05878 · arxiv_version: 1506.05878v1 · doi: 10.48550/arxiv.1506.05878 · pith_short_12: S777QD4GUETB · pith_short_16: S777QD4GUETBVJUG · pith_short_8: S777QD4G

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/S777QD4GUETBVJUGQCILBDQRSE \
  | 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: 97fff80f86a1261aa6868090b08e11912ceb5f61ad8659cc8e6a0b022ec489b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07d96683b6b49e2405bd18f78c95d3d94acbf94020bc3b7008901120e76ab9f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-06-19T05:13:36Z",
    "title_canon_sha256": "2467ce35de725609af2e0f884cdf609fcc28c7f52c9d8ad70d22ffd44e8ce678"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05878",
    "kind": "arxiv",
    "version": 1
  }
}