Pith Number

pith:IV4AW223

pith:2001:IV4AW223ADRFZCX3W3VIVWO75I

not attested not anchored not stored refs pending

Coherent Orientations in Symplectic Field Theory

Fr\'ed\'eric Bourgeois, Klaus Mohnke

arxiv:math/0102095 v2 · 2001-02-13 · 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{IV4AW223ADRFZCX3W3VIVWO75I}

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	2026-05-18T01:09:07.857963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45780b6b5b00e25c8afbb6ea8ad9dfea0a38165fa5920c0a66e7f374221e9967

Aliases

arxiv: math/0102095 · arxiv_version: math/0102095v2 · doi: 10.48550/arxiv.math/0102095 · pith_short_12: IV4AW223ADRF · pith_short_16: IV4AW223ADRFZCX3 · pith_short_8: IV4AW223

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/IV4AW223ADRFZCX3W3VIVWO75I \
  | 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: 45780b6b5b00e25c8afbb6ea8ad9dfea0a38165fa5920c0a66e7f374221e9967

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "514f6a928f72f851867e2aa0d51ef7d156b134e9b01bb8bf8a79dec2e0574aae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.SG",
    "submitted_at": "2001-02-13T02:15:20Z",
    "title_canon_sha256": "ac77c8b0e3c9f0d2f3e13a9c58d16e6d7b38b9f5da74d68aa2421b46055d7a6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0102095",
    "kind": "arxiv",
    "version": 2
  }
}