Pith Number

pith:EESZDGO4

pith:2014:EESZDGO4UYFD52TE2VATRPOMSG

not attested not anchored not stored refs pending

Numerical Solution of the Two-Phase Obstacle Problem by Finite Difference Method

Avetik Arakelyan, Michael Poghosyan, Rafayel Barkhudaryan

arxiv:1407.0781 v1 · 2014-07-03 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EESZDGO4UYFD52TE2VATRPOMSG}

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	2026-05-18T02:48:25.407749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21259199dca60a3eea64d54138bdcc91a622acad471787c500902f33b4f13540

Aliases

arxiv: 1407.0781 · arxiv_version: 1407.0781v1 · doi: 10.48550/arxiv.1407.0781 · pith_short_12: EESZDGO4UYFD · pith_short_16: EESZDGO4UYFD52TE · pith_short_8: EESZDGO4

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/EESZDGO4UYFD52TE2VATRPOMSG \
  | 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: 21259199dca60a3eea64d54138bdcc91a622acad471787c500902f33b4f13540

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ebb31c93d430814946517c0c77c812f6a9d9254f8453ec85b70c91c9dddd0a9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-07-03T04:45:24Z",
    "title_canon_sha256": "10854af1b8e07f02f7473e6b74e8c110692c5ac10295d4fe5ed4cedc057f6bb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0781",
    "kind": "arxiv",
    "version": 1
  }
}