Pith Number

pith:CHDVXH6A

pith:2017:CHDVXH6AWYKRSO3PX6XDZKQNO2

not attested not anchored not stored refs pending

Noise-gating to clean astrophysical image data

C.E. DeForest

arxiv:1703.06228 v1 · 2017-03-18 · 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{CHDVXH6AWYKRSO3PX6XDZKQNO2}

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	2026-05-18T00:46:34.466470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11c75b9fc0b615193b6fbfae3caa0d76a78cc0095149570bb5eefbe73ff8f7a4

Aliases

arxiv: 1703.06228 · arxiv_version: 1703.06228v1 · doi: 10.48550/arxiv.1703.06228 · pith_short_12: CHDVXH6AWYKR · pith_short_16: CHDVXH6AWYKRSO3P · pith_short_8: CHDVXH6A

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/CHDVXH6AWYKRSO3PX6XDZKQNO2 \
  | 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: 11c75b9fc0b615193b6fbfae3caa0d76a78cc0095149570bb5eefbe73ff8f7a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4feb67f93a90d1396b253a73eccff394012a09a2778b7084c4484e6a19b93dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-03-18T00:52:11Z",
    "title_canon_sha256": "23dfebce06445da7209b192ba123b5058ef9862935821bd6145f6c3d6cb57999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06228",
    "kind": "arxiv",
    "version": 1
  }
}