Pith Number

pith:R2Y4AXDL

pith:2017:R2Y4AXDLHPOY2NZDG4UDHV4YVN

not attested not anchored not stored refs pending

Multistring based matrices

David Freund

arxiv:1709.00564 v1 · 2017-09-02 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2Y4AXDLHPOY2NZDG4UDHV4YVN}

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	2026-05-18T00:36:07.692099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8eb1c05c6b3bdd8d3723372833d798ab55aa50a7fc7ed10e3f15d0be1f94b0f1

Aliases

arxiv: 1709.00564 · arxiv_version: 1709.00564v1 · doi: 10.48550/arxiv.1709.00564 · pith_short_12: R2Y4AXDLHPOY · pith_short_16: R2Y4AXDLHPOY2NZD · pith_short_8: R2Y4AXDL

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/R2Y4AXDLHPOY2NZDG4UDHV4YVN \
  | 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: 8eb1c05c6b3bdd8d3723372833d798ab55aa50a7fc7ed10e3f15d0be1f94b0f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a9bd26234ed473990d181b4b8825d93d0bee33e9141264762d338df4c41bbcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-09-02T11:27:42Z",
    "title_canon_sha256": "975b5a3ef991a4f920ea19ec70f401e38d55f33ce71e20d999f51ac317db2401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00564",
    "kind": "arxiv",
    "version": 1
  }
}