Pith Number

pith:ETWMPRLI

pith:2017:ETWMPRLIFQCDLK74D5CDYG7ETR

not attested not anchored not stored refs pending

Symplectic slice for subgroup actions

Marine Fontaine

arxiv:1712.10181 v2 · 2017-12-29 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ETWMPRLIFQCDLK74D5CDYG7ETR}

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	2026-05-17T23:42:59.049722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24ecc7c5682c0435abfc1f443c1be49c7c6c107760a9a454fc4fb4086aef8ed1

Aliases

arxiv: 1712.10181 · arxiv_version: 1712.10181v2 · doi: 10.48550/arxiv.1712.10181 · pith_short_12: ETWMPRLIFQCD · pith_short_16: ETWMPRLIFQCDLK74 · pith_short_8: ETWMPRLI

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/ETWMPRLIFQCDLK74D5CDYG7ETR \
  | 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: 24ecc7c5682c0435abfc1f443c1be49c7c6c107760a9a454fc4fb4086aef8ed1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e8e394d973f1a55d20287cf7d33ce26a5898e7156fdfe6a10e87d8825796890",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2017-12-29T11:07:41Z",
    "title_canon_sha256": "7465d7ba1d53646639e8ca39c7de3ac7b2eff54f558a1c2fe0f5dee0ce9fb131"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.10181",
    "kind": "arxiv",
    "version": 2
  }
}