Pith Number

pith:ZHZNII5N

pith:2021:ZHZNII5N5BWMXGCCU2LOPOZKPI

not attested not anchored not stored refs pending

Weiss variation for general boundaries

Justin C. Feng, Sumanta Chakraborty

arxiv:2111.06897 v2 · 2021-11-12 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZHZNII5N5BWMXGCCU2LOPOZKPI}

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	2026-07-05T04:41:10.428507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9f2d423ade86ccb9842a696e7bb2a7a0f3ed717c84b07363a546c39ef2363d0

Aliases

arxiv: 2111.06897 · arxiv_version: 2111.06897v2 · doi: 10.48550/arxiv.2111.06897 · pith_short_12: ZHZNII5N5BWM · pith_short_16: ZHZNII5N5BWMXGCC · pith_short_8: ZHZNII5N

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/ZHZNII5N5BWMXGCCU2LOPOZKPI \
  | 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: c9f2d423ade86ccb9842a696e7bb2a7a0f3ed717c84b07363a546c39ef2363d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8a0d2ee248c9ccd9135075bae79540454375f7017cae46b8016c881988a4275",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-11-12T19:00:00Z",
    "title_canon_sha256": "1ddc4bf04109fe50479333efe8c1788b174406d5bd96534fbf76d91bef538a10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.06897",
    "kind": "arxiv",
    "version": 2
  }
}