Pith Number

pith:VC7RSHNM

pith:2022:VC7RSHNM7FPSAITPG6AGDX22E6

not attested not anchored not stored refs pending

Picard Groups of Some Quot Schemes

Chandranandan Gangopadhyay, Ronnie Sebastian

arxiv:2210.17179 v2 · 2022-10-31 · 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{VC7RSHNM7FPSAITPG6AGDX22E6}

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	2026-07-05T07:49:29.039320Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8bf191dacf95f20226f378061df5a27a5e93021304563166624cb182183b62c

Aliases

arxiv: 2210.17179 · arxiv_version: 2210.17179v2 · doi: 10.48550/arxiv.2210.17179 · pith_short_12: VC7RSHNM7FPS · pith_short_16: VC7RSHNM7FPSAITP · pith_short_8: VC7RSHNM

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/VC7RSHNM7FPSAITPG6AGDX22E6 \
  | 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: a8bf191dacf95f20226f378061df5a27a5e93021304563166624cb182183b62c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8506dc0b7c5f7a0215359b3b5a5764cacc3eff54bcd1cc06035191010b68fd31",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2022-10-31T09:50:16Z",
    "title_canon_sha256": "fce27ba816abc19dcff11c2a0a8ae0c79063c64632950ac5ca780ff7208704f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.17179",
    "kind": "arxiv",
    "version": 2
  }
}