Pith Number

pith:2ZTSUAI6

pith:2021:2ZTSUAI6VCHGX5BDOUGRT5TF2B

not attested not anchored not stored refs pending

Investigative Study on Preprint Journal Club as an Effective Method of Teaching Latest Knowledge in Astronomy

Alvina Y. L. On, Daryl Joe D. Santos, Shwu-Ching Young, Simon C.-C. Ho, Tetsuya Hashimoto, Ting-Wen Wang, Ting-Yi Lu, Tomotsugu Goto

arxiv:2106.01688 v1 · 2021-06-03 · astro-ph.IM · 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{2ZTSUAI6VCHGX5BDOUGRT5TF2B}

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	2026-07-05T02:59:22.720639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6672a011ea88e6bf423750d19f665d05e74f9cdc1fcf9fc7c5717e15a3e3cc2

Aliases

arxiv: 2106.01688 · arxiv_version: 2106.01688v1 · doi: 10.48550/arxiv.2106.01688 · pith_short_12: 2ZTSUAI6VCHG · pith_short_16: 2ZTSUAI6VCHGX5BD · pith_short_8: 2ZTSUAI6

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/2ZTSUAI6VCHGX5BDOUGRT5TF2B \
  | 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: d6672a011ea88e6bf423750d19f665d05e74f9cdc1fcf9fc7c5717e15a3e3cc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f09a68534ffcaa6a0c579dde6bcb0ddac456e113ac20fa822ff2936a2002a8bd",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-06-03T08:45:33Z",
    "title_canon_sha256": "70a69ab75bb53d6a8259ef3ec5c5b1701da611b30ce0d5db9aeb08009f5039fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.01688",
    "kind": "arxiv",
    "version": 1
  }
}