Pith Number

pith:2MTWX2AB

pith:2016:2MTWX2ABUJ5RFSHTT3RZGJ4FPA

not attested not anchored not stored refs pending

On supports of expansive measures

C.A. Morales

arxiv:1601.03618 v1 · 2016-01-14 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MTWX2ABUJ5RFSHTT3RZGJ4FPA}

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	2026-05-18T01:22:53.011645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3276be801a27b12c8f39ee3932785780b7c0b3ddc57443834427733d227c861

Aliases

arxiv: 1601.03618 · arxiv_version: 1601.03618v1 · doi: 10.48550/arxiv.1601.03618 · pith_short_12: 2MTWX2ABUJ5R · pith_short_16: 2MTWX2ABUJ5RFSHT · pith_short_8: 2MTWX2AB

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/2MTWX2ABUJ5RFSHTT3RZGJ4FPA \
  | 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: d3276be801a27b12c8f39ee3932785780b7c0b3ddc57443834427733d227c861

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4945a76fc9d6c392ae1aa7898b1f04497c869bff092da373c78b5d585e365c79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-01-14T15:17:57Z",
    "title_canon_sha256": "c05a60d53c78f5cee2bdf6e328cc9fad44101e56519d36aa06a2e9af6193cca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03618",
    "kind": "arxiv",
    "version": 1
  }
}