Pith Number

pith:JRMHKUXR

pith:2017:JRMHKUXRG2QFWHHENOK7PXX5QO

not attested not anchored not stored refs pending

Phase-shifting coronagraph

Alexis Carlotti, Christophe V\'erinaud, Fran\c{c}ois H\'enault

arxiv:1709.02672 v1 · 2017-09-08 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JRMHKUXRG2QFWHHENOK7PXX5QO}

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	2026-05-18T00:35:45.099678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c587552f136a05b1ce46b95f7defd8381c03a7d73604c03c3508eb735495290

Aliases

arxiv: 1709.02672 · arxiv_version: 1709.02672v1 · doi: 10.48550/arxiv.1709.02672 · pith_short_12: JRMHKUXRG2QF · pith_short_16: JRMHKUXRG2QFWHHE · pith_short_8: JRMHKUXR

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/JRMHKUXRG2QFWHHENOK7PXX5QO \
  | 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: 4c587552f136a05b1ce46b95f7defd8381c03a7d73604c03c3508eb735495290

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3c57e56badd3481eaef801dc5dbe9873181f4331825795a55f668547987dce8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-09-08T12:22:01Z",
    "title_canon_sha256": "7cce9219553540fdc304eb24b41e3cca05bd15f95e2e329d3000666033188a0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02672",
    "kind": "arxiv",
    "version": 1
  }
}