Pith Number

pith:PFSOFVGX

pith:2016:PFSOFVGXAQJ27SDGNZDXDE4V5C

not attested not anchored not stored refs pending

Boundary estimates for a degenerate parabolic equation with partial Dirichlet boundary conditions

Camelia A. Pop, Charles L. Epstein

arxiv:1608.02044 v2 · 2016-08-06 · 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{PFSOFVGXAQJ27SDGNZDXDE4V5C}

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	2026-05-18T00:51:07.181676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7964e2d4d70413afc8666e47719395e8a5acfbe89378f563e37594cd529c203c

Aliases

arxiv: 1608.02044 · arxiv_version: 1608.02044v2 · doi: 10.48550/arxiv.1608.02044 · pith_short_12: PFSOFVGXAQJ2 · pith_short_16: PFSOFVGXAQJ27SDG · pith_short_8: PFSOFVGX

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/PFSOFVGXAQJ27SDGNZDXDE4V5C \
  | 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: 7964e2d4d70413afc8666e47719395e8a5acfbe89378f563e37594cd529c203c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52a997350a4d8bb0012bcea82c915076a094a0db1f5b83cb82289070319b0aca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-08-06T00:32:19Z",
    "title_canon_sha256": "edc24844a02b28315cad51560c6a20f05e39d3939261df9512cfe22ed31b0609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02044",
    "kind": "arxiv",
    "version": 2
  }
}