Pith Number

pith:DB2MEWD2

pith:2018:DB2MEWD2TXCQQ6SYUSRUVO2W7B

not attested not anchored not stored refs pending

On the bijectivity of families of exponential/generalized polynomial maps

Georg Regensburger, Josef Hofbauer, Stefan M\"uller

arxiv:1804.01851 v3 · 2018-03-29 · 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{DB2MEWD2TXCQQ6SYUSRUVO2W7B}

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	2026-05-17T23:46:55.439480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1874c2587a9dc5087a58a4a34abb56f853e57f0167be136544d1d5980d828608

Aliases

arxiv: 1804.01851 · arxiv_version: 1804.01851v3 · doi: 10.48550/arxiv.1804.01851 · pith_short_12: DB2MEWD2TXCQ · pith_short_16: DB2MEWD2TXCQQ6SY · pith_short_8: DB2MEWD2

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/DB2MEWD2TXCQQ6SYUSRUVO2W7B \
  | 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: 1874c2587a9dc5087a58a4a34abb56f853e57f0167be136544d1d5980d828608

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8eea8e96c931c4cef6a0ffdda8f07ab187dac474d9d006ed71b02b6bcbd60f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-03-29T17:06:16Z",
    "title_canon_sha256": "28d4a79e555bbb454ccf94a69c8c533c89dfb4cf980715993df468666656f453"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01851",
    "kind": "arxiv",
    "version": 3
  }
}