Pith Number

pith:OULUHTMO

pith:2001:OULUHTMOZE6UC2DHTTJXD7IRPC

not attested not anchored not stored refs pending

Engineering the Zero-Point Field and Polarizable Vacuum For Interstellar Flight

H. E. Puthoff, M. Ibison, S. R. Little

arxiv:astro-ph/0107316 v3 · 2001-07-17 · astro-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{OULUHTMOZE6UC2DHTTJXD7IRPC}

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	2026-05-18T04:38:38.572850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

751743cd8ec93d4168679cd371fd11789a4c4b47bafa9077d7106c8cb3cc7e6e

Aliases

arxiv: astro-ph/0107316 · arxiv_version: astro-ph/0107316v3 · doi: 10.48550/arxiv.astro-ph/0107316 · pith_short_12: OULUHTMOZE6U · pith_short_16: OULUHTMOZE6UC2DH · pith_short_8: OULUHTMO

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/OULUHTMOZE6UC2DHTTJXD7IRPC \
  | 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: 751743cd8ec93d4168679cd371fd11789a4c4b47bafa9077d7106c8cb3cc7e6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3386acc7a2b5a468f6bbe4b6b1b5122f1f18ba362bc7a87a50182e16ee40329e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-17T19:17:51Z",
    "title_canon_sha256": "7779d6aafa95b20f742733afaf0168562da2cdf40927424df3758b411cc9c3d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107316",
    "kind": "arxiv",
    "version": 3
  }
}