Pith Number

pith:MGGGF5VC

pith:2017:MGGGF5VCY7LDDBL34YCBW7ZTVY

not attested not anchored not stored refs pending

The Regularity Theory for the Double Obstacle Problem

Henrik Shahgholian, Jinwan Park, Ki-Ahm Lee

arxiv:1703.06262 v1 · 2017-03-18 · 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{MGGGF5VCY7LDDBL34YCBW7ZTVY}

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	2026-05-18T00:48:23.438748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

618c62f6a2c7d631857be6041b7f33ae02d85addc44b8cabf3e21aa5b641d691

Aliases

arxiv: 1703.06262 · arxiv_version: 1703.06262v1 · doi: 10.48550/arxiv.1703.06262 · pith_short_12: MGGGF5VCY7LD · pith_short_16: MGGGF5VCY7LDDBL3 · pith_short_8: MGGGF5VC

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/MGGGF5VCY7LDDBL34YCBW7ZTVY \
  | 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: 618c62f6a2c7d631857be6041b7f33ae02d85addc44b8cabf3e21aa5b641d691

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c96dfa28a78690d90cc2ba6d82828e26e1eff3acf78a0fb01414cc07692ac018",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-03-18T07:19:25Z",
    "title_canon_sha256": "ef37c4335b8b09701093c6fa8caeae45047f483c7c9ce537e8322e53fafbdf61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06262",
    "kind": "arxiv",
    "version": 1
  }
}