Pith Number

pith:SZW5LTI4

pith:2014:SZW5LTI4NTMAPXDHXBNTQI4SKD

not attested not anchored not stored refs pending

Degrees of projections of rank loci

Paolo Aluffi

arxiv:1408.1702 v1 · 2014-08-07 · 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{SZW5LTI4NTMAPXDHXBNTQI4SKD}

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	2026-05-18T00:25:12.148575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

966dd5cd1c6cd807dc67b85b38239250c1ac14e25961b2e146d752cf51ec50ed

Aliases

arxiv: 1408.1702 · arxiv_version: 1408.1702v1 · doi: 10.48550/arxiv.1408.1702 · pith_short_12: SZW5LTI4NTMA · pith_short_16: SZW5LTI4NTMAPXDH · pith_short_8: SZW5LTI4

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/SZW5LTI4NTMAPXDHXBNTQI4SKD \
  | 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: 966dd5cd1c6cd807dc67b85b38239250c1ac14e25961b2e146d752cf51ec50ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7f6063af5a1f001e6a96bca32c7c407552b3f73641e38634b32cf20fa435bd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-08-07T20:00:19Z",
    "title_canon_sha256": "9f45b7e969e4b43abdfb7ccf14b586d757554355cec539c7fbb9abc844876c83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1702",
    "kind": "arxiv",
    "version": 1
  }
}