Pith Number

pith:ST3WORUW

pith:2015:ST3WORUWEWCYYA2GHHURCOMOSD

not attested not anchored not stored refs pending

On Extending Calibrations

Yongsheng Zhang

arxiv:1501.06163 v1 · 2015-01-25 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ST3WORUWEWCYYA2GHHURCOMOSD}

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	2026-05-18T02:28:42.179045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94f767469625858c034639e911398e90d9b44f933003eeebcbd01fef951a9d17

Aliases

arxiv: 1501.06163 · arxiv_version: 1501.06163v1 · doi: 10.48550/arxiv.1501.06163 · pith_short_12: ST3WORUWEWCY · pith_short_16: ST3WORUWEWCYYA2G · pith_short_8: ST3WORUW

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/ST3WORUWEWCYYA2GHHURCOMOSD \
  | 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: 94f767469625858c034639e911398e90d9b44f933003eeebcbd01fef951a9d17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb80a5d3b3648d7c711a0ef486a609ac1f57c8f82f87e00c7792dc47e4e15282",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-01-25T14:18:53Z",
    "title_canon_sha256": "40b566a7dcc3e0b34056f2abd3d763e7418917628d7e2a81a7ffb8a398225b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06163",
    "kind": "arxiv",
    "version": 1
  }
}