Pith Number

pith:EZ6HMHF2

pith:2020:EZ6HMHF23QG5KWUBF5YFFBUVVN

not attested not anchored not stored refs pending

A generalization of the space of complete quadrics

Abeer Al Ahmadieh, Mario Kummer, Miruna-Stefana Sorea

arxiv:2011.13830 v2 · 2020-11-27 · 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{EZ6HMHF23QG5KWUBF5YFFBUVVN}

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	2026-07-05T03:50:47.008634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

267c761cbadc0dd55a812f70528695ab5e4eadb4431b67c851dc77f6ead7208b

Aliases

arxiv: 2011.13830 · arxiv_version: 2011.13830v2 · doi: 10.48550/arxiv.2011.13830 · pith_short_12: EZ6HMHF23QG5 · pith_short_16: EZ6HMHF23QG5KWUB · pith_short_8: EZ6HMHF2

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/EZ6HMHF23QG5KWUBF5YFFBUVVN \
  | 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: 267c761cbadc0dd55a812f70528695ab5e4eadb4431b67c851dc77f6ead7208b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "255480385c4a9654bddf479be2e975aae02a5245c720babd17d30f46ed881d33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-11-27T16:57:17Z",
    "title_canon_sha256": "de7da0b4573c513e68ef813d95aaaf01e68edfe3f6b2a5f858d3458e6ab98dc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.13830",
    "kind": "arxiv",
    "version": 2
  }
}