Pith Number

pith:IWDOIS6H

pith:2014:IWDOIS6HWMAQLA7YIWV3NETCZJ

not attested not anchored not stored refs pending

Contact of a thin free boundary with a fixed one in the Signorini problem

Arshak Petrosyan, Norayr Matevosyan

arxiv:1409.4114 v1 · 2014-09-14 · 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{IWDOIS6HWMAQLA7YIWV3NETCZJ}

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	2026-05-18T02:42:53.027269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4586e44bc7b3010583f845abb69262ca61b8f7cac37e8f28361f55a63cd7fcfa

Aliases

arxiv: 1409.4114 · arxiv_version: 1409.4114v1 · doi: 10.48550/arxiv.1409.4114 · pith_short_12: IWDOIS6HWMAQ · pith_short_16: IWDOIS6HWMAQLA7Y · pith_short_8: IWDOIS6H

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/IWDOIS6HWMAQLA7YIWV3NETCZJ \
  | 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: 4586e44bc7b3010583f845abb69262ca61b8f7cac37e8f28361f55a63cd7fcfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfe99a0b49a08c9035deb95dd5eca1306be76816c725a87c0c84e7d83bd407e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-09-14T22:33:13Z",
    "title_canon_sha256": "6ef7cc33911789a4fda75366db8a74f1beb585f24fcabc1e7cb8964d8d2647fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4114",
    "kind": "arxiv",
    "version": 1
  }
}