Pith Number

pith:TLG4GUM4

pith:2015:TLG4GUM4RJ6KOVAMUUTM67YEGI

not attested not anchored not stored refs pending

Harmonic vector fields on pseudo-Riemannian manifolds

C. M. Wood, R. M. Friswell

arxiv:1501.01622 v2 · 2015-01-07 · 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{TLG4GUM4RJ6KOVAMUUTM67YEGI}

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	2026-05-18T01:01:00.601279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9acdc3519c8a7ca7540ca526cf7f043236e3fa82b52a6e2863dbe44af1bfd6ce

Aliases

arxiv: 1501.01622 · arxiv_version: 1501.01622v2 · doi: 10.48550/arxiv.1501.01622 · pith_short_12: TLG4GUM4RJ6K · pith_short_16: TLG4GUM4RJ6KOVAM · pith_short_8: TLG4GUM4

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/TLG4GUM4RJ6KOVAMUUTM67YEGI \
  | 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: 9acdc3519c8a7ca7540ca526cf7f043236e3fa82b52a6e2863dbe44af1bfd6ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39139a3aaec5cda235d8a519e44e6f0cacfed83a74c4cca7b960b82edf0bf8da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-01-07T20:55:19Z",
    "title_canon_sha256": "c48d059e8350c6133f50f60f66819f1d6c560890a21f8fdc1602f3c88dc6a543"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01622",
    "kind": "arxiv",
    "version": 2
  }
}