Pith Number

pith:RSFHB6NG

pith:2020:RSFHB6NGZTUHSLLQA3WC7UFZJD

not attested not anchored not stored refs pending

Localizing Virtual Structure Sheaves for Almost Perfect Obstruction Theories

Michail Savvas, Young-Hoon Kiem

arxiv:2007.06820 v1 · 2020-07-14 · 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{RSFHB6NGZTUHSLLQA3WC7UFZJD}

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	2026-07-05T01:18:23.515342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c8a70f9a6cce8792d7006ec2fd0b948c0b026a1ce289f2e71cb239d8a9d1986

Aliases

arxiv: 2007.06820 · arxiv_version: 2007.06820v1 · doi: 10.48550/arxiv.2007.06820 · pith_short_12: RSFHB6NGZTUH · pith_short_16: RSFHB6NGZTUHSLLQ · pith_short_8: RSFHB6NG

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/RSFHB6NGZTUHSLLQA3WC7UFZJD \
  | 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: 8c8a70f9a6cce8792d7006ec2fd0b948c0b026a1ce289f2e71cb239d8a9d1986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9740e3f4d95e77f7b32345e9b618a5da208556de3d5829f96cbb2021a7546e99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-07-14T05:08:40Z",
    "title_canon_sha256": "4a0ee2d38fd2a668b4e7796ec0f759860bf834c1f9fcec7c3bcef88f5172c986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.06820",
    "kind": "arxiv",
    "version": 1
  }
}