Pith Number

pith:B5VBEWVF

pith:2012:B5VBEWVFX7EJS7UGHDWJHA32KS

not attested not anchored not stored refs pending

Content Management in Ruby on Rails

Antonio Tapiador, Joaqu\'in Salvach\'ua

arxiv:1209.3878 v1 · 2012-09-18 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B5VBEWVFX7EJS7UGHDWJHA32KS}

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	2026-05-18T03:45:22.310391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f6a125aa5bfc8997e8638ec93837a54bf409b6c8ae2c315de22dcece6ed2774

Aliases

arxiv: 1209.3878 · arxiv_version: 1209.3878v1 · doi: 10.48550/arxiv.1209.3878 · pith_short_12: B5VBEWVFX7EJ · pith_short_16: B5VBEWVFX7EJS7UG · pith_short_8: B5VBEWVF

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/B5VBEWVFX7EJS7UGHDWJHA32KS \
  | 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: 0f6a125aa5bfc8997e8638ec93837a54bf409b6c8ae2c315de22dcece6ed2774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a174e5f9faa88bb85edaf63dc2080271c7ce9c07701c1f9c9ca85aba573f8808",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2012-09-18T09:01:24Z",
    "title_canon_sha256": "2d494ea0bd599cfc2aeed74b68d2589297ee3aba4f8f8da431feec970d0aa50b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3878",
    "kind": "arxiv",
    "version": 1
  }
}