Pith Number

pith:ODZGOK2P

pith:2015:ODZGOK2P25XNTFJRAPMKXZT4IS

not attested not anchored not stored refs pending

Multimedia-Video for Learning

Ching Tan, Kah Hean Chua, Loo Kang Wee, Ming Yeo Oh

arxiv:1502.01090 v1 · 2015-02-04 · 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{ODZGOK2P25XNTFJRAPMKXZT4IS}

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	2026-05-18T02:27:58.053295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70f2672b4fd76ed9953103d8abe67c44b78ec9ae3580ebe76bbfd8854c02b6d8

Aliases

arxiv: 1502.01090 · arxiv_version: 1502.01090v1 · doi: 10.48550/arxiv.1502.01090 · pith_short_12: ODZGOK2P25XN · pith_short_16: ODZGOK2P25XNTFJR · pith_short_8: ODZGOK2P

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/ODZGOK2P25XNTFJRAPMKXZT4IS \
  | 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: 70f2672b4fd76ed9953103d8abe67c44b78ec9ae3580ebe76bbfd8854c02b6d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c234fa0acb11a31e1bb91753ded650ead70909078d7ce947f0b6703080b7a268",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-02-04T04:10:53Z",
    "title_canon_sha256": "ad3d4a4d02ff679b87cc80b912bad25780a15935c2bcd78fadfc0ea9ad5fc474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01090",
    "kind": "arxiv",
    "version": 1
  }
}