Pith Number

pith:6ZTFTGR6

pith:2019:6ZTFTGR6KXBIDZ2VHDCR5MXO6L

not attested not anchored not stored refs pending

On certain q-trigonometric identities

Bing He

arxiv:1907.00711 v1 · 2019-06-25 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZTFTGR6KXBIDZ2VHDCR5MXO6L}

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	2026-05-17T23:41:48.371023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f666599a3e55c281e75538c51eb2eef2d03cb511007ba5ed3ec1dfec0cb5d192

Aliases

arxiv: 1907.00711 · arxiv_version: 1907.00711v1 · doi: 10.48550/arxiv.1907.00711 · pith_short_12: 6ZTFTGR6KXBI · pith_short_16: 6ZTFTGR6KXBIDZ2V · pith_short_8: 6ZTFTGR6

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/6ZTFTGR6KXBIDZ2VHDCR5MXO6L \
  | 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: f666599a3e55c281e75538c51eb2eef2d03cb511007ba5ed3ec1dfec0cb5d192

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13521e403a8082d8ced56305eca7b8ad180df31860efa0d8b7138aa4cc9a923f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2019-06-25T04:35:05Z",
    "title_canon_sha256": "4dd07db9f33653b6de8053ef3e6efb3895bd538c458d44e70bc3c3e33b3993dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00711",
    "kind": "arxiv",
    "version": 1
  }
}