Pith Number

pith:S5SFIGQU

pith:2014:S5SFIGQUWSUEJRRP2YHMMOJSW5

not attested not anchored not stored refs pending

Harmonic maps into Grassmannian manifolds

Yasuyuki Nagatomo

arxiv:1408.1504 v1 · 2014-08-07 · 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{S5SFIGQUWSUEJRRP2YHMMOJSW5}

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	2026-05-18T02:45:40.300879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9764541a14b4a844c62fd60ec63932b7685574aa4d05e7370f760c5112c0854e

Aliases

arxiv: 1408.1504 · arxiv_version: 1408.1504v1 · doi: 10.48550/arxiv.1408.1504 · pith_short_12: S5SFIGQUWSUE · pith_short_16: S5SFIGQUWSUEJRRP · pith_short_8: S5SFIGQU

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/S5SFIGQUWSUEJRRP2YHMMOJSW5 \
  | 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: 9764541a14b4a844c62fd60ec63932b7685574aa4d05e7370f760c5112c0854e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1345a9024c40e6b90cc40850db6e46c4d0d96acc5760dce88b03fe96a9edad40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-08-07T07:46:37Z",
    "title_canon_sha256": "97b7242a90e711d9d86c71be947293a70e957a0e743608891ff1d9beab4d091b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1504",
    "kind": "arxiv",
    "version": 1
  }
}