Pith Number

pith:Q5D7D6UN

pith:2017:Q5D7D6UNFMW2EMY23AC4N2LCYI

not attested not anchored not stored refs pending

Assassins and torsion functors

Fred Rohrer

arxiv:1708.09008 v2 · 2017-08-29 · 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{Q5D7D6UNFMW2EMY23AC4N2LCYI}

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	2026-05-18T00:24:42.492083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8747f1fa8d2b2da2331ad805c6e962c225830fc5bcb12066a4358241480a364b

Aliases

arxiv: 1708.09008 · arxiv_version: 1708.09008v2 · doi: 10.48550/arxiv.1708.09008 · pith_short_12: Q5D7D6UNFMW2 · pith_short_16: Q5D7D6UNFMW2EMY2 · pith_short_8: Q5D7D6UN

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/Q5D7D6UNFMW2EMY23AC4N2LCYI \
  | 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: 8747f1fa8d2b2da2331ad805c6e962c225830fc5bcb12066a4358241480a364b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a9dfc2a69acaf0735ffb54e2003e54797623c841fb451cd1475691422a00588",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2017-08-29T20:23:30Z",
    "title_canon_sha256": "8ccab271629b602159b21d9ebd0e8e77394d0056acde29165c4ad1ea69348343"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09008",
    "kind": "arxiv",
    "version": 2
  }
}