Pith Number

pith:BZ7GBJF3

pith:2015:BZ7GBJF3M5JOAE7KX6U65TOSHY

not attested not anchored not stored refs pending

Singular Perturbation Problem in Boundary/Fractional Combustion

Arshak Petrosyan, Wenhui Shi, Yannick Sire

arxiv:1508.04583 v1 · 2015-08-19 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BZ7GBJF3M5JOAE7KX6U65TOSHY}

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	2026-05-18T01:35:02.352338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e7e60a4bb6752e013eabfa9eecdd23e0d3eb770dd8bf8208bf1f2772de7619c

Aliases

arxiv: 1508.04583 · arxiv_version: 1508.04583v1 · doi: 10.48550/arxiv.1508.04583 · pith_short_12: BZ7GBJF3M5JO · pith_short_16: BZ7GBJF3M5JOAE7K · pith_short_8: BZ7GBJF3

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/BZ7GBJF3M5JOAE7KX6U65TOSHY \
  | 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: 0e7e60a4bb6752e013eabfa9eecdd23e0d3eb770dd8bf8208bf1f2772de7619c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7652cd3e9d20b4d8da234e05604060b537f9aea8b1bd4fd02d313a6c89ec3dbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-08-19T09:37:56Z",
    "title_canon_sha256": "cb410d901cdc7cf778a87da49e694ff202c4f80fb6d47c0738b717b6cfefc02c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04583",
    "kind": "arxiv",
    "version": 1
  }
}