Pith Number

pith:IBJ5CGH4

pith:2017:IBJ5CGH4BKGRFQZ32TCTEK4GBG

not attested not anchored not stored refs pending

Torsion-free Aluffi Algebras

Abbas Nasrollah Nejad, Rashid Zaare-Nahandi, Zahra Shahidi

arxiv:1706.00065 v1 · 2017-05-31 · 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{IBJ5CGH4BKGRFQZ32TCTEK4GBG}

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	2026-05-18T00:43:15.157486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4053d118fc0a8d12c33bd4c5322b860984fe60742bb247441e2ebbe1bcdaef26

Aliases

arxiv: 1706.00065 · arxiv_version: 1706.00065v1 · doi: 10.48550/arxiv.1706.00065 · pith_short_12: IBJ5CGH4BKGR · pith_short_16: IBJ5CGH4BKGRFQZ3 · pith_short_8: IBJ5CGH4

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/IBJ5CGH4BKGRFQZ32TCTEK4GBG \
  | 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: 4053d118fc0a8d12c33bd4c5322b860984fe60742bb247441e2ebbe1bcdaef26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ade750a75c1810f8b2259302e18b3a8bc568b5073fc67ae80a96569bb0283f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2017-05-31T19:41:12Z",
    "title_canon_sha256": "4e7f57d8df098d696c47b1c779d02382cc4b933668bb5404480174cf4ff01ab3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00065",
    "kind": "arxiv",
    "version": 1
  }
}