Pith Number

pith:VR5ZIBJJ

pith:2019:VR5ZIBJJRXWMNPRRGEF7LAJ7AK

not attested not anchored not stored refs pending

The ampsys tool of pde2path

Daniel Wetzel, Hannes Uecker

arxiv:1906.10622 v1 · 2019-06-25 · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VR5ZIBJJRXWMNPRRGEF7LAJ7AK}

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	2026-05-17T23:42:15.773023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac7b9405298decc6be31310bf5813f02bb078aebe8156d9dd5118542eb711c80

Aliases

arxiv: 1906.10622 · arxiv_version: 1906.10622v1 · doi: 10.48550/arxiv.1906.10622 · pith_short_12: VR5ZIBJJRXWM · pith_short_16: VR5ZIBJJRXWMNPRR · pith_short_8: VR5ZIBJJ

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/VR5ZIBJJRXWMNPRRGEF7LAJ7AK \
  | 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: ac7b9405298decc6be31310bf5813f02bb078aebe8156d9dd5118542eb711c80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fff56e6e316f08d17ea5ae6b28e6b26f45febc795dbefb415ca0155bb36fc222",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2019-06-25T16:13:33Z",
    "title_canon_sha256": "d03268dafc3c92095e97a735671ba3ecd8a2ed16d52128f4bba08c1181e0d230"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10622",
    "kind": "arxiv",
    "version": 1
  }
}