Pith Number

pith:DH6G7ZG4

pith:2017:DH6G7ZG47DRU5DP25AG3EJ6EIT

not attested not anchored not stored refs pending

Quasi-constant characters: Motivation, classification and applications

Jean-Stefan Koskivirta, Wushi Goldring

arxiv:1708.07316 v2 · 2017-08-24 · 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{DH6G7ZG47DRU5DP25AG3EJ6EIT}

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	2026-05-18T00:04:45.296773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19fc6fe4dcf8e34e8dfae80db227c444ffcf7157240f0926eb5bb1b3cba96dde

Aliases

arxiv: 1708.07316 · arxiv_version: 1708.07316v2 · doi: 10.48550/arxiv.1708.07316 · pith_short_12: DH6G7ZG47DRU · pith_short_16: DH6G7ZG47DRU5DP2 · pith_short_8: DH6G7ZG4

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/DH6G7ZG47DRU5DP25AG3EJ6EIT \
  | 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: 19fc6fe4dcf8e34e8dfae80db227c444ffcf7157240f0926eb5bb1b3cba96dde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61ea71c1e1ea7fad59c2ede0fcf52008b92e0e387f42e692ef5430cb6d478fc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-08-24T08:56:51Z",
    "title_canon_sha256": "2aa4577992b61f41ada0388e5432ce3fc66e286331a05d69c4d6dc4ab6b9e720"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07316",
    "kind": "arxiv",
    "version": 2
  }
}