Pith Number

pith:TJFZIFEU

pith:2019:TJFZIFEUQVVEMTSN2W5AJD6XI7

not attested not anchored not stored refs pending

Tate Resolutions on Products of Projective Spaces: Cohomology and Direct Image Complexes

Daniel Erman, David Eisenbud, Frank-Olaf Schreyer

arxiv:1905.10230 v1 · 2019-05-24 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJFZIFEUQVVEMTSN2W5AJD6XI7}

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	2026-05-17T23:45:10.872881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a4b941494856a464e4dd5ba048fd747ec3364fcdc48393ad0f7406679553b10

Aliases

arxiv: 1905.10230 · arxiv_version: 1905.10230v1 · doi: 10.48550/arxiv.1905.10230 · pith_short_12: TJFZIFEUQVVE · pith_short_16: TJFZIFEUQVVEMTSN · pith_short_8: TJFZIFEU

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/TJFZIFEUQVVEMTSN2W5AJD6XI7 \
  | 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: 9a4b941494856a464e4dd5ba048fd747ec3364fcdc48393ad0f7406679553b10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5646ae653a7dfe6746bd4cf4334e27a6825bfe91eacbf7914cab425f79751998",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-05-24T13:38:41Z",
    "title_canon_sha256": "b12e4e6b9148490c0764d6cb4296e96a651c025fe941432ec720cccab5cd5d44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10230",
    "kind": "arxiv",
    "version": 1
  }
}