Pith Number

pith:L6DFOO6M

pith:2014:L6DFOO6MLXN6LVF2UON3ONJMOJ

not attested not anchored not stored refs pending

Embedding problems for open subgroups of the fundamental group

Manish Kumar

arxiv:1409.1345 v1 · 2014-09-04 · math.AG · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L6DFOO6MLXN6LVF2UON3ONJMOJ}

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	2026-05-18T02:43:27.187094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f86573bcc5ddbe5d4baa39bb7352c727e7a0e5bdde8a139c3272456484af1fc

Aliases

arxiv: 1409.1345 · arxiv_version: 1409.1345v1 · doi: 10.48550/arxiv.1409.1345 · pith_short_12: L6DFOO6MLXN6 · pith_short_16: L6DFOO6MLXN6LVF2 · pith_short_8: L6DFOO6M

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/L6DFOO6MLXN6LVF2UON3ONJMOJ \
  | 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: 5f86573bcc5ddbe5d4baa39bb7352c727e7a0e5bdde8a139c3272456484af1fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "319f709538709a09f873cfe73898b933cc1506694762d1a76e0dcb5faa1e2038",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-09-04T07:29:48Z",
    "title_canon_sha256": "ba5619b64e6ec304562c567bdcd0108d539b3c7282cd21b397851c7d9f8ca997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1345",
    "kind": "arxiv",
    "version": 1
  }
}