Pith Number

pith:PD2FQCLU

pith:2017:PD2FQCLUYU5B23SPFEDJOFXMGV

not attested not anchored not stored refs pending

Stability of Serrin's Problem and Dynamic Stability of a Model for Contact Angle Motion

William M. Feldman

arxiv:1707.06949 v2 · 2017-07-21 · 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{PD2FQCLUYU5B23SPFEDJOFXMGV}

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	2026-05-18T00:36:47.270191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78f4580974c53a1d6e4f29069716ec35435c338571b9f24925d78bd78fe40cf2

Aliases

arxiv: 1707.06949 · arxiv_version: 1707.06949v2 · doi: 10.48550/arxiv.1707.06949 · pith_short_12: PD2FQCLUYU5B · pith_short_16: PD2FQCLUYU5B23SP · pith_short_8: PD2FQCLU

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/PD2FQCLUYU5B23SPFEDJOFXMGV \
  | 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: 78f4580974c53a1d6e4f29069716ec35435c338571b9f24925d78bd78fe40cf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96ad894dcf8be0901a1a620b172f6bcdd9de6c1b445bf8d327c2039127879273",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-07-21T15:59:46Z",
    "title_canon_sha256": "957a29648f321d73773076d87d6317a00eb435ff53ae6e321b4f339482314fc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06949",
    "kind": "arxiv",
    "version": 2
  }
}