Pith Number

pith:EGOGB7FC

pith:2026:EGOGB7FCL64WTJ5XZ7BEZAGXL2

not attested not anchored not stored refs pending

Pre/Post-Assessment Cycles in Calculus: Supporting Student Preparation, Reflection, and Learning

Chamila Malagoda Gamage

arxiv:2607.09448 v1 · 2026-07-10 · math.HO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGOGB7FCL64WTJ5XZ7BEZAGXL2}

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	2026-07-13T01:19:15.748001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

219c60fca25fb969a7b7cfc24c80d75eaa3f3ae76246264d64567d89f7e608ad

Aliases

arxiv: 2607.09448 · arxiv_version: 2607.09448v1 · doi: 10.48550/arxiv.2607.09448 · pith_short_12: EGOGB7FCL64W · pith_short_16: EGOGB7FCL64WTJ5X · pith_short_8: EGOGB7FC

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/EGOGB7FCL64WTJ5XZ7BEZAGXL2 \
  | 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: 219c60fca25fb969a7b7cfc24c80d75eaa3f3ae76246264d64567d89f7e608ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfff295bcf5f1668df356140543f08416a4a68463953cf4d50d4cb7fb18a18ec",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2026-07-10T14:17:05Z",
    "title_canon_sha256": "521a31c1349f78e97c58ef5ee1651d43e62c4f321990ab364719bc153ee8172a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09448",
    "kind": "arxiv",
    "version": 1
  }
}