Pith Number

pith:MDMRZD7F

pith:2017:MDMRZD7FCSYRXLFE2LS3CEFOEL

not attested not anchored not stored refs pending

Simple Method for Evaluating Singular Integrals

N. T. Tran

arxiv:1711.04311 v2 · 2017-11-12 · math.NA

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

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	2026-05-17T23:43:54.004039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60d91c8fe514b11baca4d2e5b110ae22c2c404e8e0820737091dd01bb2c5d538

Aliases

arxiv: 1711.04311 · arxiv_version: 1711.04311v2 · doi: 10.48550/arxiv.1711.04311 · pith_short_12: MDMRZD7FCSYR · pith_short_16: MDMRZD7FCSYRXLFE · pith_short_8: MDMRZD7F

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/MDMRZD7FCSYRXLFE2LS3CEFOEL \
  | 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: 60d91c8fe514b11baca4d2e5b110ae22c2c404e8e0820737091dd01bb2c5d538

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58c8e500051dc80aee2b6b01e291f5f74d136a1b985d4556628dc9bc6b657e61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-12T15:27:57Z",
    "title_canon_sha256": "851418dbcacf9756f8dad4f3af73869d4aa902470ae045c049b9149f9f9248f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04311",
    "kind": "arxiv",
    "version": 2
  }
}