Pith Number

pith:HMTH2CDI

pith:2017:HMTH2CDIJUKCKVNL6BTSQKJVIB

not attested not anchored not stored refs pending

The Schr\"{o}der-Bernstein problem for Modules

Ashish K. Srivastava, Berke Kalebo\~gaz, Pedro A. Guil Asensio

arxiv:1703.04787 v1 · 2017-03-14 · 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{HMTH2CDIJUKCKVNL6BTSQKJVIB}

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	2026-05-18T00:48:39.245036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b267d08684d142555abf067282935404999c71fededc924e85dba95a01c4828

Aliases

arxiv: 1703.04787 · arxiv_version: 1703.04787v1 · doi: 10.48550/arxiv.1703.04787 · pith_short_12: HMTH2CDIJUKC · pith_short_16: HMTH2CDIJUKCKVNL · pith_short_8: HMTH2CDI

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/HMTH2CDIJUKCKVNL6BTSQKJVIB \
  | 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: 3b267d08684d142555abf067282935404999c71fededc924e85dba95a01c4828

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f24ac47b22bcdde1b2bc62f92b0ee6ae7ed79d009607af7522d4f25c066d2779",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-03-14T22:33:47Z",
    "title_canon_sha256": "2e6f0b13da5dc2eb94d07d600d593da9edc9dded198d4c13747305c593d8a190"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04787",
    "kind": "arxiv",
    "version": 1
  }
}