Pith Number

pith:OIRBUD73

pith:2007:OIRBUD73BT4DJKVT54Z4I2EO7L

not attested not anchored not stored refs pending

On the kernel of the norm in some unramified number fields extensions

Emmanuel Hallouin, Marc Perret

arxiv:0706.0417 v1 · 2007-06-04 · 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{OIRBUD73BT4DJKVT54Z4I2EO7L}

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	2026-05-18T04:28:28.521608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72221a0ffb0cf834aab3ef33c4688efad691436ac30bdd12b54772957bbcd311

Aliases

arxiv: 0706.0417 · arxiv_version: 0706.0417v1 · doi: 10.48550/arxiv.0706.0417 · pith_short_12: OIRBUD73BT4D · pith_short_16: OIRBUD73BT4DJKVT · pith_short_8: OIRBUD73

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/OIRBUD73BT4DJKVT54Z4I2EO7L \
  | 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: 72221a0ffb0cf834aab3ef33c4688efad691436ac30bdd12b54772957bbcd311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d475b3ad85562433b1d724709faae366e109ba0a66b252df94b52ca45c2dc217",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.NT",
    "submitted_at": "2007-06-04T11:59:55Z",
    "title_canon_sha256": "b0b4059789f09f052a6b4df810e0ee31746e82c6bd281060449da4140767f933"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.0417",
    "kind": "arxiv",
    "version": 1
  }
}