Pith Number

pith:6KYMSSBG

pith:2012:6KYMSSBG6CPXNNMSDT2ZDAPU57

not attested not anchored not stored refs pending

Photonics Explorer - An European program to foster science education with hands-on experiments

Robert Fischer

arxiv:1205.0957 v1 · 2012-05-04 · 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{6KYMSSBG6CPXNNMSDT2ZDAPU57}

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	2026-05-18T03:56:23.481447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2b0c94826f09f76b5921cf59181f4efcf97e90b4872bf52caf2cda4adeb6315

Aliases

arxiv: 1205.0957 · arxiv_version: 1205.0957v1 · doi: 10.48550/arxiv.1205.0957 · pith_short_12: 6KYMSSBG6CPX · pith_short_16: 6KYMSSBG6CPXNNMS · pith_short_8: 6KYMSSBG

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/6KYMSSBG6CPXNNMSDT2ZDAPU57 \
  | 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: f2b0c94826f09f76b5921cf59181f4efcf97e90b4872bf52caf2cda4adeb6315

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16c03f7d8d26c1b16f139b6a52a5d470aae2aa02b8565efcc7830aebaaef62ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2012-05-04T13:56:52Z",
    "title_canon_sha256": "5466e20404e09466d4a63dfda476f1454ab863175b7e219ebf5cfcf6bfb57326"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0957",
    "kind": "arxiv",
    "version": 1
  }
}