Pith Number

pith:EDQ2MAMK

pith:2011:EDQ2MAMKI5MCVK3Z6LRPMYPY2O

not attested not anchored not stored refs pending

G2-structure deformations and warped products

Sergey Grigorian

arxiv:1110.4594 v2 · 2011-10-20 · 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{EDQ2MAMKI5MCVK3Z6LRPMYPY2O}

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	2026-05-18T03:36:04.820260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20e1a6018a47582aab79f2e2f661f8d38bb6720bebabcde9e479dc7a5abcf2f1

Aliases

arxiv: 1110.4594 · arxiv_version: 1110.4594v2 · doi: 10.48550/arxiv.1110.4594 · pith_short_12: EDQ2MAMKI5MC · pith_short_16: EDQ2MAMKI5MCVK3Z · pith_short_8: EDQ2MAMK

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/EDQ2MAMKI5MCVK3Z6LRPMYPY2O \
  | 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: 20e1a6018a47582aab79f2e2f661f8d38bb6720bebabcde9e479dc7a5abcf2f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36014666d9863cbcb98972d7aa299e1fc05f3361b8865cfd7234ccaf09fda0cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-10-20T18:02:47Z",
    "title_canon_sha256": "ffb1f0a4eec2aca432522439a4436a8d0141faf6678eb342aa858f0d2a3f63fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4594",
    "kind": "arxiv",
    "version": 2
  }
}