Pith Number

pith:YSSLA2GX

pith:2011:YSSLA2GXFLE53NXDUJFUDYMY7H

not attested not anchored not stored refs pending

Extrinsic hyperspheres in manifolds with special holonomy

Andrei Moroianu, Tillmann Jentsch, Uwe Semmelmann

arxiv:1107.1603 v2 · 2011-07-08 · 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{YSSLA2GXFLE53NXDUJFUDYMY7H}

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	2026-05-17T23:56:56.515444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4a4b068d72ac9ddb6e3a24b41e198f9ec53e8849cd5224265f8cab14a9f3ffb

Aliases

arxiv: 1107.1603 · arxiv_version: 1107.1603v2 · doi: 10.48550/arxiv.1107.1603 · pith_short_12: YSSLA2GXFLE5 · pith_short_16: YSSLA2GXFLE53NXD · pith_short_8: YSSLA2GX

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/YSSLA2GXFLE53NXDUJFUDYMY7H \
  | 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: c4a4b068d72ac9ddb6e3a24b41e198f9ec53e8849cd5224265f8cab14a9f3ffb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d1453b1aeeb7537654d10b702cf2389b5fbf34e20a9e5793ce19db716ccdc99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-07-08T10:53:54Z",
    "title_canon_sha256": "92b6122bb663bde202190542cb619570b7d52c29828a9b10cc119e9ec863808a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1603",
    "kind": "arxiv",
    "version": 2
  }
}