Pith Number

pith:VHZKITAU

pith:2016:VHZKITAU72FSAS77VPDY3MNZ5N

not attested not anchored not stored refs pending

Two homological proofs of the Noetherianity of $FI_G$

Liping Li

arxiv:1603.04552 v4 · 2016-03-15 · math.RT · math.KT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHZKITAU72FSAS77VPDY3MNZ5N}

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	2026-05-18T01:12:29.782920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9f2a44c14fe8b204bffabc78db1b9eb46f3e252f44f4efdb670a16972052c14

Aliases

arxiv: 1603.04552 · arxiv_version: 1603.04552v4 · doi: 10.48550/arxiv.1603.04552 · pith_short_12: VHZKITAU72FS · pith_short_16: VHZKITAU72FSAS77 · pith_short_8: VHZKITAU

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/VHZKITAU72FSAS77VPDY3MNZ5N \
  | 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: a9f2a44c14fe8b204bffabc78db1b9eb46f3e252f44f4efdb670a16972052c14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ae9532d5bac4a3f3eacb591b1325253d47ed0fdd2a9d32bd98f169601039cfa",
    "cross_cats_sorted": [
      "math.KT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2016-03-15T04:32:19Z",
    "title_canon_sha256": "15e1665fec53ed8e5410c32e05c4ae223f50fa417d473f26582c60c54eb98c4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04552",
    "kind": "arxiv",
    "version": 4
  }
}