Pith Number

pith:RTDY455B

pith:2017:RTDY455BXY7OSEQWBYY2CWDGPP

not attested not anchored not stored refs pending

Refined estimates for the propagation speed of the transition solution to a free boundary problem with a nonlinearity of combustion type

Chengxia Lei, Hiroshi Matsuzawa, Maolin Zhou, Rui Peng

arxiv:1704.03953 v1 · 2017-04-13 · 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{RTDY455BXY7OSEQWBYY2CWDGPP}

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	2026-05-18T00:46:25.773216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cc78e77a1be3ee912160e31a158667bd33e814f23c5864bce2e87aee1deebf5

Aliases

arxiv: 1704.03953 · arxiv_version: 1704.03953v1 · doi: 10.48550/arxiv.1704.03953 · pith_short_12: RTDY455BXY7O · pith_short_16: RTDY455BXY7OSEQW · pith_short_8: RTDY455B

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/RTDY455BXY7OSEQWBYY2CWDGPP \
  | 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: 8cc78e77a1be3ee912160e31a158667bd33e814f23c5864bce2e87aee1deebf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc706a6dc9da1a270107027b9cecf1ce95e6dd7c60ba3ada897d277a289b1dd7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-04-13T00:04:21Z",
    "title_canon_sha256": "7b687e1e8d6a06f0b1299643ec88e4914cc291c520c2324ea0a4469dae83dbd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03953",
    "kind": "arxiv",
    "version": 1
  }
}