Pith Number

pith:EK7V5ABF

pith:2021:EK7V5ABFDWFMZ3MSK4JVGXGXAH

not attested not anchored not stored refs pending

Studying the Impact of Optical Aberrations on Diffraction-Limited Radial Velocity Instruments

Andrew J. Bechter, Eric B. Bechter, Jonathan Crass, Justin R. Crepp

arxiv:2107.12406 v1 · 2021-07-26 · 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{EK7V5ABFDWFMZ3MSK4JVGXGXAH}

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	2026-07-05T03:00:56.042202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22bf5e80251d8acced925713535cd701e9ece6026be7a093a3c2c7ba6fb8e299

Aliases

arxiv: 2107.12406 · arxiv_version: 2107.12406v1 · doi: 10.48550/arxiv.2107.12406 · pith_short_12: EK7V5ABFDWFM · pith_short_16: EK7V5ABFDWFMZ3MS · pith_short_8: EK7V5ABF

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/EK7V5ABFDWFMZ3MSK4JVGXGXAH \
  | 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: 22bf5e80251d8acced925713535cd701e9ece6026be7a093a3c2c7ba6fb8e299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff05b9f132c9f0a1fab00c1ee8e4583d144a40f6c38f86a37e499e725c065e93",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-07-26T18:01:11Z",
    "title_canon_sha256": "7f0ce23be6303c6b2cdcc564226e24959e8ae660b342880edf68444e4efebf1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12406",
    "kind": "arxiv",
    "version": 1
  }
}