Pith Number

pith:EJRPSOFD

pith:2019:EJRPSOFDTTD4X6UCKCXPBJBBHP

not attested not anchored not stored refs pending

Frictional half-plane contact problems subject to alternating normal and shear loads and tension in the steady state

David A. Hills, Hendrik Andresen, James R. Barber, Jesus Vazquez

arxiv:1903.12257 v1 · 2019-03-25 · cond-mat.soft · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJRPSOFDTTD4X6UCKCXPBJBBHP}

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	2026-05-17T23:49:54.463078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2262f938a39cc7cbfa8250aef0a4213be174d7f45165b1574a99defb16ede0ac

Aliases

arxiv: 1903.12257 · arxiv_version: 1903.12257v1 · doi: 10.48550/arxiv.1903.12257 · pith_short_12: EJRPSOFDTTD4 · pith_short_16: EJRPSOFDTTD4X6UC · pith_short_8: EJRPSOFD

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/EJRPSOFDTTD4X6UCKCXPBJBBHP \
  | 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: 2262f938a39cc7cbfa8250aef0a4213be174d7f45165b1574a99defb16ede0ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "402739c8cab4def127f1718088ad7d0e6502dfec77b3def2051b3b6a63095f73",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2019-03-25T15:06:24Z",
    "title_canon_sha256": "2f7791a1fd5b831f464c82aad961f3d1471efa3f44697195c4f90a112f3c4769"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12257",
    "kind": "arxiv",
    "version": 1
  }
}