Pith Number

pith:J6KLAFGH

pith:2022:J6KLAFGHETZKLNFUTSCZKSBGMS

not attested not anchored not stored refs pending

Extracting Space Situational Awareness Events from News Text

Alice Saebom Kwak, Enfa George, Hoang Van, Laura W. Dozal, Moriba Jah, Peter Jansen, Roberto Furfaro, Zhengnan Xie

arxiv:2201.05721 v1 · 2022-01-15 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6KLAFGHETZKLNFUTSCZKSBGMS}

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	2026-07-05T03:48:50.741623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f94b014c724f2a5b4b49c8595482664844750991a5d05fb8ae51d823dcd23cb

Aliases

arxiv: 2201.05721 · arxiv_version: 2201.05721v1 · doi: 10.48550/arxiv.2201.05721 · pith_short_12: J6KLAFGHETZK · pith_short_16: J6KLAFGHETZKLNFU · pith_short_8: J6KLAFGH

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/J6KLAFGHETZKLNFUTSCZKSBGMS \
  | 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: 4f94b014c724f2a5b4b49c8595482664844750991a5d05fb8ae51d823dcd23cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3e1461c5eda533483095f2f91a6d69142d68757666d3897d8f1e3bde736b358",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-01-15T00:55:00Z",
    "title_canon_sha256": "13b59012799921ee086d6e023f210f38fce34bcc2eac3bbc411adb99156aee44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.05721",
    "kind": "arxiv",
    "version": 1
  }
}