Pith Number

pith:OJMBDTYU

pith:2000:OJMBDTYUHWXMRVVDR756S7LORA

not attested not anchored not stored refs pending

Symplectomorphism groups and almost complex structures

Dusa McDuff

arxiv:math/0010274 v2 · 2000-10-27 · 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{OJMBDTYUHWXMRVVDR756S7LORA}

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.

Cited by

1 paper in Pith

Using Large Language Models to Study Mathematical Practice

Receipt and verification

First computed	2026-07-04T14:34:53.559157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

725811cf143daec8d6a38ffbe97d6e8829597871f752df71e318444ab1676348

Aliases

arxiv: math/0010274 · arxiv_version: math/0010274v2 · doi: 10.48550/arxiv.math/0010274 · pith_short_12: OJMBDTYUHWXM · pith_short_16: OJMBDTYUHWXMRVVD · pith_short_8: OJMBDTYU

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/OJMBDTYUHWXMRVVDR756S7LORA \
  | 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: 725811cf143daec8d6a38ffbe97d6e8829597871f752df71e318444ab1676348

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e98f32867551d2fd27abd8c02e5e6bbb03e5f16e3e688fc05d1c723438942b5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.SG",
    "submitted_at": "2000-10-27T22:09:21Z",
    "title_canon_sha256": "d5092bd4039eb8fc13ddc4a7d40b7c95d111466bb6a32b7500b2781a376757b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0010274",
    "kind": "arxiv",
    "version": 2
  }
}