Pith Number

pith:7ZTX76IS

pith:2016:7ZTX76IS7F7ANAMWRG4R26QQO7

not attested not anchored not stored refs pending

Using the knowledge of penumbra with a trick simulation

Loo Kang Wee, Mustafa \c{S}ahin B\"ulb\"ul

arxiv:1604.00508 v1 · 2016-04-02 · 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{7ZTX76IS7F7ANAMWRG4R26QQO7}

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	2026-05-18T01:17:49.399708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe677ff912f97e06819689b91d7a1077f5543282c2e31c8dc370ad7ffda1a316

Aliases

arxiv: 1604.00508 · arxiv_version: 1604.00508v1 · doi: 10.48550/arxiv.1604.00508 · pith_short_12: 7ZTX76IS7F7A · pith_short_16: 7ZTX76IS7F7ANAMW · pith_short_8: 7ZTX76IS

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/7ZTX76IS7F7ANAMWRG4R26QQO7 \
  | 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: fe677ff912f97e06819689b91d7a1077f5543282c2e31c8dc370ad7ffda1a316

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ccfeb6fc83255e3ac84e8ee6acb75ad6dc33dbcf005c6805daacc6515320352",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-04-02T14:21:56Z",
    "title_canon_sha256": "c2f5327932d43a22f2b7712c3da8b6ca8081ac3d906b17b2dc224734c7f9479c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00508",
    "kind": "arxiv",
    "version": 1
  }
}