Pith Number

pith:77EBXC4S

pith:2022:77EBXC4SYXJK3NOZF3TF37EXLI

not attested not anchored not stored refs pending

Impact of the SpaceX Starlink Satellites on the Zwicky Transient Facility Survey Observations

Angel Otarola, Dmitry A. Duev, Frank J. Masci, Matthew J. Graham, Michael S. Medford, Przemek Mroz, Richard Dekany, Steven L. Groom, Thomas A. Prince

arxiv:2201.05343 v1 · 2022-01-14 · 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{77EBXC4SYXJK3NOZF3TF37EXLI}

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	2026-07-05T03:48:22.573708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffc81b8b92c5d2adb5d92ee65dfc975a13c2ccc029e27b71b7c9b979745d2f59

Aliases

arxiv: 2201.05343 · arxiv_version: 2201.05343v1 · doi: 10.48550/arxiv.2201.05343 · pith_short_12: 77EBXC4SYXJK · pith_short_16: 77EBXC4SYXJK3NOZ · pith_short_8: 77EBXC4S

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/77EBXC4SYXJK3NOZF3TF37EXLI \
  | 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: ffc81b8b92c5d2adb5d92ee65dfc975a13c2ccc029e27b71b7c9b979745d2f59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59afd7bd0db58ea7aaa499d5b09e6096b72d0edb4f01499b1d94c7a5d91fe730",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-01-14T08:57:21Z",
    "title_canon_sha256": "73feae744d0953f0b9fea27ac310c1d7837371c71067e903c7c61c02323cff6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.05343",
    "kind": "arxiv",
    "version": 1
  }
}