Pith Number

pith:IOUMJZF7

pith:2021:IOUMJZF7XZ7NQP5SIDAPFDSAZE

not attested not anchored not stored refs pending

Project ThaiPASS: International Outreach Blending Astronomy and Python

Benoit C\^ot\'e, Brad K. Gibson, Claire R. Cashmore, Iraj Vaezzadeh, James D. Keegans, Lawrence E. Bilton, Marco Pignatari, Mikkel T. Kristensen, Richard J. Stancliffe, Siri Chongchitnan, Thomas V. Lawson

arxiv:2101.04643 v1 · 2021-01-12 · 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{IOUMJZF7XZ7NQP5SIDAPFDSAZE}

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	2026-07-05T02:29:41.096364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43a8c4e4bfbe7ed83fb240c0f28e40c92ca9ebddecc691ce61963b8810df2c2a

Aliases

arxiv: 2101.04643 · arxiv_version: 2101.04643v1 · doi: 10.48550/arxiv.2101.04643 · pith_short_12: IOUMJZF7XZ7N · pith_short_16: IOUMJZF7XZ7NQP5S · pith_short_8: IOUMJZF7

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/IOUMJZF7XZ7NQP5SIDAPFDSAZE \
  | 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: 43a8c4e4bfbe7ed83fb240c0f28e40c92ca9ebddecc691ce61963b8810df2c2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9156bd9f316f159fe0af9eea92e96c6292a60543a29330a0d73117e10d7f887",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2021-01-12T17:58:28Z",
    "title_canon_sha256": "d338e708dad7a92f275ef79cc6d3fff23d712f9b0b5ac8c7ca9384ec501d5d23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.04643",
    "kind": "arxiv",
    "version": 1
  }
}