Pith Number

pith:FJFC6R5G

pith:2014:FJFC6R5GMFL2GUZRFMLVCLNQWO

not attested not anchored not stored refs pending

Concerning the bookshelf problem

Grigori Yurgin, Lev Radzivilovsky

arxiv:1412.7749 v1 · 2014-12-24 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJFC6R5GMFL2GUZRFMLVCLNQWO}

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	2026-05-18T02:30:33.111910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a4a2f47a66157a353312b17512db0b395b1739b4c1fbc0aa54bbb71905e4801

Aliases

arxiv: 1412.7749 · arxiv_version: 1412.7749v1 · doi: 10.48550/arxiv.1412.7749 · pith_short_12: FJFC6R5GMFL2 · pith_short_16: FJFC6R5GMFL2GUZR · pith_short_8: FJFC6R5G

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/FJFC6R5GMFL2GUZRFMLVCLNQWO \
  | 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: 2a4a2f47a66157a353312b17512db0b395b1739b4c1fbc0aa54bbb71905e4801

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b7c8f8280806c077f388ce9fdcf2badc4d71175941385e985b5877f59ec3cfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2014-12-24T20:31:42Z",
    "title_canon_sha256": "480fd9719abc7786592994daf5c30c6065fc5e7e97bd3659bf3a670051694e2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.7749",
    "kind": "arxiv",
    "version": 1
  }
}