Pith Number

pith:NRP3US2C

pith:2014:NRP3US2C6HAHZIX2KANKHQC65K

not attested not anchored not stored refs pending

A Theory of Branches for Algebraic Curves

Tristram de Piro

arxiv:1406.2629 v1 · 2014-06-06 · math.AG · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRP3US2C6HAHZIX2KANKHQC65K}

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	2026-05-18T02:50:01.284692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c5fba4b42f1c07ca2fa501aa3c05eea8a0d576fa1e28d5a1a24bfb46c9b7527

Aliases

arxiv: 1406.2629 · arxiv_version: 1406.2629v1 · doi: 10.48550/arxiv.1406.2629 · pith_short_12: NRP3US2C6HAH · pith_short_16: NRP3US2C6HAHZIX2 · pith_short_8: NRP3US2C

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/NRP3US2C6HAHZIX2KANKHQC65K \
  | 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: 6c5fba4b42f1c07ca2fa501aa3c05eea8a0d576fa1e28d5a1a24bfb46c9b7527

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "242d839aa3bb58fba6453a84d2001702215fb2ce96d16b1ebcd8dae023cbabef",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-06-06T23:41:56Z",
    "title_canon_sha256": "461a9e779227054f441dc8c777788bea2df9346856ab525236963c32b2dddbff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2629",
    "kind": "arxiv",
    "version": 1
  }
}