Pith Number

pith:EJHEOBHL

pith:2013:EJHEOBHLS4ZCFK7EWEA3GJFMY4

not attested not anchored not stored refs pending

Injective Objects of Monomorphism Categories

Keyan Song, Yuehui Zhang, Zhanping Wang

arxiv:1308.1551 v1 · 2013-08-07 · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJHEOBHLS4ZCFK7EWEA3GJFMY4}

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	2026-05-18T03:16:30.868679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

224e4704eb973222abe4b101b324acc724559d72024f5f2bc00a9572a6fee9b2

Aliases

arxiv: 1308.1551 · arxiv_version: 1308.1551v1 · doi: 10.48550/arxiv.1308.1551 · pith_short_12: EJHEOBHLS4ZC · pith_short_16: EJHEOBHLS4ZCFK7E · pith_short_8: EJHEOBHL

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/EJHEOBHLS4ZCFK7EWEA3GJFMY4 \
  | 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: 224e4704eb973222abe4b101b324acc724559d72024f5f2bc00a9572a6fee9b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "993f717bc55d51789f615f4ded51a4e44da2e3df553fe0619c9ef396e0dc84e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2013-08-07T12:38:22Z",
    "title_canon_sha256": "853c9bcfbfeb328d62e092393a050a4c39487c787dc3fb8c04059e17c82be617"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1551",
    "kind": "arxiv",
    "version": 1
  }
}