Pith Number

pith:APVG7VOY

pith:2016:APVG7VOYYBJIPCUTU43QKRLDM6

not attested not anchored not stored refs pending

Inverse problems for parabolic equations 3

A.G.Ramm

arxiv:1611.09955 v1 · 2016-11-30 · 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{APVG7VOYYBJIPCUTU43QKRLDM6}

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	2026-05-18T00:56:11.544343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03ea6fd5d8c052878a93a737054563678bd023caf11268a0d5f2a72562520b10

Aliases

arxiv: 1611.09955 · arxiv_version: 1611.09955v1 · doi: 10.48550/arxiv.1611.09955 · pith_short_12: APVG7VOYYBJI · pith_short_16: APVG7VOYYBJIPCUT · pith_short_8: APVG7VOY

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/APVG7VOYYBJIPCUTU43QKRLDM6 \
  | 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: 03ea6fd5d8c052878a93a737054563678bd023caf11268a0d5f2a72562520b10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf8e5f9c15baba0bc1dc9158aaabfb36f05faa294efe450c8f5bafbb8388a4de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-11-30T00:41:15Z",
    "title_canon_sha256": "ff2f30d5c12a3b08d18e8a97360691c7520746622b6b9c05f501a57f2858b5ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.09955",
    "kind": "arxiv",
    "version": 1
  }
}