Pith. sign in
Pith Number

pith:5Q2EFH2P

pith:2021:5Q2EFH2PBVVAWCTS25CMD2VWUV
not attested not anchored not stored refs pending

A note on formal periods

Fritz H\"ormann

arxiv:2106.03803 v2 · 2021-06-07 · math.NT · math.AG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5Q2EFH2PBVVAWCTS25CMD2VWUV}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T03:00:34.048498Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ec34429f4f0d6a0b0a72d744c1eab6a560ee048c4df93724a58c1e2fa3db57fe

Aliases

arxiv: 2106.03803 · arxiv_version: 2106.03803v2 · doi: 10.48550/arxiv.2106.03803 · pith_short_12: 5Q2EFH2PBVVA · pith_short_16: 5Q2EFH2PBVVAWCTS · pith_short_8: 5Q2EFH2P
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5Q2EFH2PBVVAWCTS25CMD2VWUV \
  | 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: ec34429f4f0d6a0b0a72d744c1eab6a560ee048c4df93724a58c1e2fa3db57fe
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "76493d9a3273daf61ea2aca1ded9d332eb7e1e60d2d11fdbfb357d2fe31a7606",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2021-06-07T17:15:19Z",
    "title_canon_sha256": "4df4359d80a2ea186e515a12e1b2db9d8c2095ce8ee5ee5694952e3744931af8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.03803",
    "kind": "arxiv",
    "version": 2
  }
}