Pith Number

pith:F52775XC

pith:2010:F52775XCOGWLJBKN7J4USIAEUW

not attested not anchored not stored refs pending

Improved Two-Point Codes on Hermitian Curves

Iwan Duursma, Radoslav Kirov

arxiv:1004.1752 v2 · 2010-04-10 · cs.IT · math.AG · math.IT · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F52775XCOGWLJBKN7J4USIAEUW}

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	2026-05-18T04:28:29.980578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f75fff6e271acb4854dfa79492004a585dc41c0fba4b8ca5b42293fdba50c90

Aliases

arxiv: 1004.1752 · arxiv_version: 1004.1752v2 · doi: 10.48550/arxiv.1004.1752 · pith_short_12: F52775XCOGWL · pith_short_16: F52775XCOGWLJBKN · pith_short_8: F52775XC

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/F52775XCOGWLJBKN7J4USIAEUW \
  | 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: 2f75fff6e271acb4854dfa79492004a585dc41c0fba4b8ca5b42293fdba50c90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3936b0a9433789211f24f2c35cba9a1a9d911f476658f040130ad3b454fb8e77",
    "cross_cats_sorted": [
      "math.AG",
      "math.IT",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-04-10T23:19:01Z",
    "title_canon_sha256": "4e2207572e7b170229f54862991a067b4a02a09a68dd0c3a45fe2cba833af1a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1752",
    "kind": "arxiv",
    "version": 2
  }
}