Pith Number

pith:3GGYMXZ2

pith:2019:3GGYMXZ265MSNUTVDWN5RKTCMR

not attested not anchored not stored refs pending

Measuring light with light dependent resistors: an easy approach for optics experiments

C.M. Carvalho, F. Marinho, F.R. Apolin\'ario, L. Paulucci

arxiv:1903.10053 v1 · 2019-03-24 · 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{3GGYMXZ265MSNUTVDWN5RKTCMR}

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	2026-05-17T23:50:34.648078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d98d865f3af75926d2751d9bd8aa626450a6251cdec3bfe8c7a018e1a17cc7c5

Aliases

arxiv: 1903.10053 · arxiv_version: 1903.10053v1 · doi: 10.48550/arxiv.1903.10053 · pith_short_12: 3GGYMXZ265MS · pith_short_16: 3GGYMXZ265MSNUTV · pith_short_8: 3GGYMXZ2

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/3GGYMXZ265MSNUTVDWN5RKTCMR \
  | 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: d98d865f3af75926d2751d9bd8aa626450a6251cdec3bfe8c7a018e1a17cc7c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49daaabe17124a4d387d50a1a6c556441848fe740372d1e442d043c64fcd9aa1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2019-03-24T20:13:19Z",
    "title_canon_sha256": "cf61b19c1e4ead3acec75793db17f66d253b06ca7b79eb899b1e26bf898f5fba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10053",
    "kind": "arxiv",
    "version": 1
  }
}