Pith Number

pith:4JQK5TK3

pith:2017:4JQK5TK3DZSJZMTOPODMEJD35N

not attested not anchored not stored refs pending

Physics courses of the Federal University of Santa Catarina : evasion and gender

Beatriz N. DAvila, Caio A. Silvano, Celia Anteneodo, Debora P. Menezes, Karina Buss

arxiv:1710.09165 v1 · 2017-10-25 · physics.ed-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{4JQK5TK3DZSJZMTOPODMEJD35N}

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	2026-05-18T00:32:00.194610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e260aecd5b1e649cb26e7b86c2247beb6fa34df7538bedfdfeaa3f3760ad7a19

Aliases

arxiv: 1710.09165 · arxiv_version: 1710.09165v1 · doi: 10.48550/arxiv.1710.09165 · pith_short_12: 4JQK5TK3DZSJ · pith_short_16: 4JQK5TK3DZSJZMTO · pith_short_8: 4JQK5TK3

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/4JQK5TK3DZSJZMTOPODMEJD35N \
  | 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: e260aecd5b1e649cb26e7b86c2247beb6fa34df7538bedfdfeaa3f3760ad7a19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "355c9c83a8ac7ccfee32fd87d7a17f0315b9eabb8e06e0ff612fd22d8780cf5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2017-10-25T11:07:52Z",
    "title_canon_sha256": "f2a6a4173b1e2cc5640019d9961be62d0f94f5f523e11805c41bc9c3e617691c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09165",
    "kind": "arxiv",
    "version": 1
  }
}