Pith Number

pith:HGPSEQGT

pith:2017:HGPSEQGTRKRBDQHCBAJQ53FSX6

not attested not anchored not stored refs pending

Visions of Human Futures in Space and SETI

Jason T Wright, Michael P. Oman-Reagan

arxiv:1708.05318 v2 · 2017-08-17 · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGPSEQGTRKRBDQHCBAJQ53FSX6}

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	2026-05-18T00:37:44.587659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

399f2240d38aa211c0e208130eecb2bfa871c1eb60b57b4c4cb81168952fbe86

Aliases

arxiv: 1708.05318 · arxiv_version: 1708.05318v2 · doi: 10.48550/arxiv.1708.05318 · pith_short_12: HGPSEQGTRKRB · pith_short_16: HGPSEQGTRKRBDQHC · pith_short_8: HGPSEQGT

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/HGPSEQGTRKRBDQHCBAJQ53FSX6 \
  | 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: 399f2240d38aa211c0e208130eecb2bfa871c1eb60b57b4c4cb81168952fbe86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3dcaeed3828842a94266190b5b6b7b8e5e511bfb87a4fb064d715074a516a30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2017-08-17T14:53:29Z",
    "title_canon_sha256": "7abdc827263c0d9680372bcc61b02831de63a0791822a56ae6e9235d3331d52a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05318",
    "kind": "arxiv",
    "version": 2
  }
}