Pith Number

pith:PTTSB6XM

pith:2013:PTTSB6XMU65G72CO46WCCTQNN6

not attested not anchored not stored refs pending

A measurable counterpart to the optical concept of an object

Jiawen Li, Minghui Zhang

arxiv:1309.6796 v3 · 2013-09-26 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PTTSB6XMU65G72CO46WCCTQNN6}

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	2026-05-18T02:55:58.867408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ce720faeca7ba6fe84ee7ac214e0d6f8b0143d93eafa560ab0e1e86bf4a1b66

Aliases

arxiv: 1309.6796 · arxiv_version: 1309.6796v3 · doi: 10.48550/arxiv.1309.6796 · pith_short_12: PTTSB6XMU65G · pith_short_16: PTTSB6XMU65G72CO · pith_short_8: PTTSB6XM

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/PTTSB6XMU65G72CO46WCCTQNN6 \
  | 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: 7ce720faeca7ba6fe84ee7ac214e0d6f8b0143d93eafa560ab0e1e86bf4a1b66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62e99fcc8494d5812bf1348326b668c9932ff972ff5cd2e631a3474ea5c21d3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-09-26T11:04:07Z",
    "title_canon_sha256": "a5d0312bbe034fad78b98fa2d67a960d15fffeae8befd797c7f4e2d8f1ef0c58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6796",
    "kind": "arxiv",
    "version": 3
  }
}