Pith Number

pith:MXBMNY6Q

pith:2017:MXBMNY6QI2ZXYSE2EGQ2BPZZJM

not attested not anchored not stored refs pending

On parabolic final value problems and well-posedness

Ann-Eva Christensen, Jon Johnsen

arxiv:1708.06936 v2 · 2017-08-23 · 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{MXBMNY6QI2ZXYSE2EGQ2BPZZJM}

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	2026-05-18T00:23:23.121895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65c2c6e3d046b37c489a21a1a0bf394b3dc542c8c214f7a10becb8ce4af101be

Aliases

arxiv: 1708.06936 · arxiv_version: 1708.06936v2 · doi: 10.48550/arxiv.1708.06936 · pith_short_12: MXBMNY6QI2ZX · pith_short_16: MXBMNY6QI2ZXYSE2 · pith_short_8: MXBMNY6Q

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/MXBMNY6QI2ZXYSE2EGQ2BPZZJM \
  | 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: 65c2c6e3d046b37c489a21a1a0bf394b3dc542c8c214f7a10becb8ce4af101be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c15a955d12db97c886c2e624aa75d2b6266cd3edbc911687f50756cf6c517664",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-08-23T09:52:17Z",
    "title_canon_sha256": "52a072d50f0beb5a3117b2630bd5d0cbe3fa3af97b2ef542025db1640260ea18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06936",
    "kind": "arxiv",
    "version": 2
  }
}