Pith Number

pith:KLF2VI4K

pith:2016:KLF2VI4KJFWSEKJKH57DW6L2NR

not attested not anchored not stored refs pending

Perspectives on astronomy: probing Norwegian pre-service teachers and middle school students

Christine Lindstr{\o}m, Megan C. Engel, Morten Brendehaug, Vinesh Rajpaul

arxiv:1601.07445 v1 · 2016-01-27 · 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{KLF2VI4KJFWSEKJKH57DW6L2NR}

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	2026-05-18T01:21:45.880381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52cbaaa38a496d22292a3f7e3b797a6c70338f3c10701ce0c45dccf609e0bfcc

Aliases

arxiv: 1601.07445 · arxiv_version: 1601.07445v1 · doi: 10.48550/arxiv.1601.07445 · pith_short_12: KLF2VI4KJFWS · pith_short_16: KLF2VI4KJFWSEKJK · pith_short_8: KLF2VI4K

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/KLF2VI4KJFWSEKJKH57DW6L2NR \
  | 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: 52cbaaa38a496d22292a3f7e3b797a6c70338f3c10701ce0c45dccf609e0bfcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20515d3154c45603fcbc8ad3e53afb6123ea9698448feec7cc631ab532e3b530",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-01-27T16:53:33Z",
    "title_canon_sha256": "26383fb713ed55211cf418d8679b9b34c5ef7fe2329ad2741478e299ec3cf27c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07445",
    "kind": "arxiv",
    "version": 1
  }
}