Pith Number

pith:FGTOJHFM

pith:2022:FGTOJHFMV6BJRJM43KUYEQYBFZ

not attested not anchored not stored refs pending

The conceptual design of GMagAO-X: visible wavelength high contrast imaging with GMT

Alexander Hedglen, Doug Kelly, Fernando Coronado, Jamison Noenickx, Jared R. Males, John Ford, Laird M. Close, Maggie Kautz, Olivier Durney, Olivier Guyon, Sebastiaan Y. Haffert, Tom Connors, Victor Gasho

arxiv:2208.07312 v1 · 2022-08-15 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FGTOJHFMV6BJRJM43KUYEQYBFZ}

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	2026-07-05T04:48:26.493956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29a6e49cacaf8298a59cdaa98243012e529feeda47d6aa0913ce2ece28680b97

Aliases

arxiv: 2208.07312 · arxiv_version: 2208.07312v1 · doi: 10.48550/arxiv.2208.07312 · pith_short_12: FGTOJHFMV6BJ · pith_short_16: FGTOJHFMV6BJRJM4 · pith_short_8: FGTOJHFM

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/FGTOJHFMV6BJRJM43KUYEQYBFZ \
  | 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: 29a6e49cacaf8298a59cdaa98243012e529feeda47d6aa0913ce2ece28680b97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f299eb42c3b496002f91d5db1c43b6e2ddbc26c66f865954507b1c5ec078fe4d",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-08-15T16:19:59Z",
    "title_canon_sha256": "99c890a447ed688500b092b744ab1e1fcf7fca3f15b6f318a9665624e256f7e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.07312",
    "kind": "arxiv",
    "version": 1
  }
}