Pith Number

pith:PKH5TTVP

pith:2016:PKH5TTVP6UFCWVDTILAZBOU4SY

not attested not anchored not stored refs pending

An In Situ Measurement System for Characterizing Orbital Debris

Christopher R. Anderson, Hau T. Ngo, Michael A. Tsao, Robert D. Corsaro

arxiv:1612.03971 v1 · 2016-12-12 · cs.SY · 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{PKH5TTVP6UFCWVDTILAZBOU4SY}

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	2026-05-18T00:53:39.755684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a8fd9ceaff50a2b547342c190ba9c96368c4bb5c5cc6218e187bc874a451779

Aliases

arxiv: 1612.03971 · arxiv_version: 1612.03971v1 · doi: 10.48550/arxiv.1612.03971 · pith_short_12: PKH5TTVP6UFC · pith_short_16: PKH5TTVP6UFCWVDT · pith_short_8: PKH5TTVP

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/PKH5TTVP6UFCWVDTILAZBOU4SY \
  | 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: 7a8fd9ceaff50a2b547342c190ba9c96368c4bb5c5cc6218e187bc874a451779

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26273bd1f27cfa1ffb497c6228670733dcaa55b3e14e0e62a505b00d6d3161d1",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2016-12-12T23:34:40Z",
    "title_canon_sha256": "a4ad3ec74b660d4f49d9985d693d624becbf412b6734520121195a361b9e976d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03971",
    "kind": "arxiv",
    "version": 1
  }
}