Pith Number

pith:HD2RSB45

pith:2012:HD2RSB45FK2BZTS6KHCBML2DOH

not attested not anchored not stored refs pending

A note on the construction of finitely injective modules

Blas Torrecillas, Manuel C. Izurdiaga, Pedro A. Guil Asensio

arxiv:1204.3926 v1 · 2012-04-17 · 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{HD2RSB45FK2BZTS6KHCBML2DOH}

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	2026-05-18T03:57:38.286264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38f519079d2ab41cce5e51c4162f4371e1fc41abc83d326db650f85e6234d068

Aliases

arxiv: 1204.3926 · arxiv_version: 1204.3926v1 · doi: 10.48550/arxiv.1204.3926 · pith_short_12: HD2RSB45FK2B · pith_short_16: HD2RSB45FK2BZTS6 · pith_short_8: HD2RSB45

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/HD2RSB45FK2BZTS6KHCBML2DOH \
  | 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: 38f519079d2ab41cce5e51c4162f4371e1fc41abc83d326db650f85e6234d068

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79f1732ad07175817be0f7ff0ef27cc324b6849337969527bf6de2eed097ae40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2012-04-17T21:41:44Z",
    "title_canon_sha256": "e70fd67aa9f807c7089327a176523bb100561deb0cd5ba5461cd71ad41f6022e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3926",
    "kind": "arxiv",
    "version": 1
  }
}