Pith Number

pith:BFYP5LFK

pith:2015:BFYP5LFKOF35FLSPQ562CO5PRE

not attested not anchored not stored refs pending

Algebraic-based nonstandard time-stepping schemes

Lo\"ic Michel

arxiv:1509.04566 v1 · 2015-09-13 · math.NA · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFYP5LFKOF35FLSPQ562CO5PRE}

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	2026-05-18T01:32:58.562340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0970feacaa7177d2ae4f877da13baf891d53051f6f44a03ae166b51762c8c7fd

Aliases

arxiv: 1509.04566 · arxiv_version: 1509.04566v1 · doi: 10.48550/arxiv.1509.04566 · pith_short_12: BFYP5LFKOF35 · pith_short_16: BFYP5LFKOF35FLSP · pith_short_8: BFYP5LFK

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/BFYP5LFKOF35FLSPQ562CO5PRE \
  | 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: 0970feacaa7177d2ae4f877da13baf891d53051f6f44a03ae166b51762c8c7fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75ba69da7133641dbd1e08055609f92b501223a58c1c10645aa9e77261d62d5c",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-09-13T22:42:15Z",
    "title_canon_sha256": "4a11e45ad03e1087f1d8e16ec54f1dda14623e654604cf7985da0164ea524654"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04566",
    "kind": "arxiv",
    "version": 1
  }
}