Pith Number

pith:25RSVA43

pith:2012:25RSVA43BKWLNTWCCTTZEXCL6J

not attested not anchored not stored refs pending

Visualizing Flat Spacetime: Viewing Optical versus Special Relativistic Effects

Don V. Black, F. Kuester, F. Wessel, M. Gopi, R. Pajarola

arxiv:1201.3671 v1 · 2012-01-17 · physics.ed-ph · cs.CG · cs.GR · physics.comp-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{25RSVA43BKWLNTWCCTTZEXCL6J}

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	2026-05-18T01:58:47.695267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7632a839b0aacb6cec214e7925c4bf268d072adcbac796b37e0d6ca1ba48a41

Aliases

arxiv: 1201.3671 · arxiv_version: 1201.3671v1 · doi: 10.48550/arxiv.1201.3671 · pith_short_12: 25RSVA43BKWL · pith_short_16: 25RSVA43BKWLNTWC · pith_short_8: 25RSVA43

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/25RSVA43BKWLNTWCCTTZEXCL6J \
  | 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: d7632a839b0aacb6cec214e7925c4bf268d072adcbac796b37e0d6ca1ba48a41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bc9b09b34ad85301f3c01b21511be5e377801abea8e0a0e8cd61f3ad1100341",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.GR",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2012-01-17T23:58:24Z",
    "title_canon_sha256": "ddec7e6f6e6ab133826d484c26150acdddc3471f5977a8fd770b5d1f394d13c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3671",
    "kind": "arxiv",
    "version": 1
  }
}