Pith Number

pith:MTTOZ3GA

pith:2016:MTTOZ3GASDBKKTN6HFBTXMI4I7

not attested not anchored not stored refs pending

A Generalized Sagnac-Wang-Fizeau formula

Amos Ori, Joseph E. Avron

arxiv:1601.01448 v2 · 2016-01-07 · physics.optics · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MTTOZ3GASDBKKTN6HFBTXMI4I7}

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	2026-05-18T00:54:03.594184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64e6ececc090c2a54dbe39433bb11c47cb908eaa6161e3e1ce09065f2dff8c00

Aliases

arxiv: 1601.01448 · arxiv_version: 1601.01448v2 · doi: 10.48550/arxiv.1601.01448 · pith_short_12: MTTOZ3GASDBK · pith_short_16: MTTOZ3GASDBKKTN6 · pith_short_8: MTTOZ3GA

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/MTTOZ3GASDBKKTN6HFBTXMI4I7 \
  | 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: 64e6ececc090c2a54dbe39433bb11c47cb908eaa6161e3e1ce09065f2dff8c00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "150fa66ca88c91fe4d214daea20743d8aefa65de7e4a7bcdf1a89dd803e5d651",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-01-07T08:59:47Z",
    "title_canon_sha256": "915f5a4289d2eb7fdea91b4cb927692661ef514361f38c07779a30ac94a686a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01448",
    "kind": "arxiv",
    "version": 2
  }
}