Pith Number

pith:7FIPYKEA

pith:2017:7FIPYKEAIZQVCF3BUP2Z2QKNBW

not attested not anchored not stored refs pending

Find, Understand, and Extend Development Screencasts on YouTube

Alexander Oeser, Davide Fucci, Mathias Ellmann, Walid Maalej

arxiv:1707.08824 v1 · 2017-07-27 · 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{7FIPYKEAIZQVCF3BUP2Z2QKNBW}

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	2026-05-18T00:38:45.709215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f950fc28804661511761a3f59d414d0db49f3c06268c90f0757123650d961e45

Aliases

arxiv: 1707.08824 · arxiv_version: 1707.08824v1 · doi: 10.48550/arxiv.1707.08824 · pith_short_12: 7FIPYKEAIZQV · pith_short_16: 7FIPYKEAIZQVCF3B · pith_short_8: 7FIPYKEA

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/7FIPYKEAIZQVCF3BUP2Z2QKNBW \
  | 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: f950fc28804661511761a3f59d414d0db49f3c06268c90f0757123650d961e45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a71c196884fef5e218cffaefd72f48e6f832a34f4bb453e0d2c00240291f716",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-07-27T12:07:06Z",
    "title_canon_sha256": "4457d14a3f205a67669aeed16a945854fd6453d23e6973eec344ff0aef3177e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08824",
    "kind": "arxiv",
    "version": 1
  }
}