Pith Number

pith:7JFGKOIF

pith:2012:7JFGKOIF5DNSTGEPGVIWBZS3CB

not attested not anchored not stored refs pending

Non-negative global weak solutions for a degenerated parabolic system approximating the two-phase Stokes problem

Bogdan-Vasile Matioc, Joachim Escher

arxiv:1210.6457 v1 · 2012-10-24 · 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{7JFGKOIF5DNSTGEPGVIWBZS3CB}

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	2026-05-18T03:42:24.798587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa4a653905e8db29988f355160e65b1059c796efc555149098b4452f4a3c993c

Aliases

arxiv: 1210.6457 · arxiv_version: 1210.6457v1 · doi: 10.48550/arxiv.1210.6457 · pith_short_12: 7JFGKOIF5DNS · pith_short_16: 7JFGKOIF5DNSTGEP · pith_short_8: 7JFGKOIF

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/7JFGKOIF5DNSTGEPGVIWBZS3CB \
  | 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: fa4a653905e8db29988f355160e65b1059c796efc555149098b4452f4a3c993c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f12229696a32736935b8b085630c5d6ddd16fa60f10b82018e36fcc3916a9830",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-10-24T08:32:57Z",
    "title_canon_sha256": "f35f466c65a5677f48e46e8900014a617a9c063e15c1b1326d63b43537ca3a8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6457",
    "kind": "arxiv",
    "version": 1
  }
}