Pith Number

pith:TPAMYZ6J

pith:2011:TPAMYZ6JBINS7XHRRJBG3W7RS2

not attested not anchored not stored refs pending

Mini-walls for Bridgeland stability conditions on the derived category of sheaves over surfaces

Jason Lo, Zhenbo Qin

arxiv:1103.4352 v1 · 2011-03-22 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TPAMYZ6JBINS7XHRRJBG3W7RS2}

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	2026-05-18T04:26:12.478587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bc0cc67c90a1b2fdcf18a426ddbf1968bcc2e974fd7166e76a546946ba8494c

Aliases

arxiv: 1103.4352 · arxiv_version: 1103.4352v1 · doi: 10.48550/arxiv.1103.4352 · pith_short_12: TPAMYZ6JBINS · pith_short_16: TPAMYZ6JBINS7XHR · pith_short_8: TPAMYZ6J

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/TPAMYZ6JBINS7XHRRJBG3W7RS2 \
  | 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: 9bc0cc67c90a1b2fdcf18a426ddbf1968bcc2e974fd7166e76a546946ba8494c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44278bec4b5538d63c0cda5f00f3acc80b957a1df3f85196a54ec82bfd4ff8d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-03-22T19:15:30Z",
    "title_canon_sha256": "535d1d1e8f88d458389b2fe759406cefa60e74757048a757129e16f59e3695c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4352",
    "kind": "arxiv",
    "version": 1
  }
}