Pith Number

pith:SB5RYHGI

pith:2018:SB5RYHGIN62TBDAJCZP6QPOV3S

not attested not anchored not stored refs pending

Understanding the Local Flow Rate Peak of a Hopper Discharging Discs through an Obstacle Using a Tetris-like Model

Guo-Jie J. Gao, Jerzy Blawzdziewicz, Michael C. Holcomb, Shigenobu Ogata

arxiv:1807.05902 v2 · 2018-07-16 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SB5RYHGIN62TBDAJCZP6QPOV3S}

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	2026-05-17T23:51:05.641145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

907b1c1cc86fb5308c09165fe83dd5dcb353085bbae08969549e64df08264d78

Aliases

arxiv: 1807.05902 · arxiv_version: 1807.05902v2 · doi: 10.48550/arxiv.1807.05902 · pith_short_12: SB5RYHGIN62T · pith_short_16: SB5RYHGIN62TBDAJ · pith_short_8: SB5RYHGI

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/SB5RYHGIN62TBDAJCZP6QPOV3S \
  | 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: 907b1c1cc86fb5308c09165fe83dd5dcb353085bbae08969549e64df08264d78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd2e70fff1dcb6ef6afe42c3fa58f6043d0746c474ae97fea37aa2288a59555d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2018-07-16T14:58:36Z",
    "title_canon_sha256": "846aa696bf84f0b2399bbcf481ce914dac6748e767c89a678fc26b330d0fadd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05902",
    "kind": "arxiv",
    "version": 2
  }
}