Pith Number

pith:PKFEF25M

pith:2014:PKFEF25MP6WKZ2NYH2NIXIILTM

not attested not anchored not stored refs pending

EXCEDE Technology Development III: First Vacuum Tests

Alan L. Duncan, Dana H. Lynch, Eduardo Bendek, Eric H. Smith, Eugene Pluzhnik, Fred C. Witteborn, Glenn Schneider, Julien Lozi, J. Wes Irwin, Olivier Guyon, Richard L. Kendrick, Roger Mihara, Ruslan Belikov, Sandrine J. Thomas, Thomas P. Greene, Troy T. Hix

arxiv:1407.4393 v1 · 2014-07-16 · 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{PKFEF25MP6WKZ2NYH2NIXIILTM}

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	2026-05-18T01:42:36.078672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a8a42ebac7facace9b83e9a8ba10b9b0e1f1b82ee9f412fab15c807b85ce773

Aliases

arxiv: 1407.4393 · arxiv_version: 1407.4393v1 · doi: 10.48550/arxiv.1407.4393 · pith_short_12: PKFEF25MP6WK · pith_short_16: PKFEF25MP6WKZ2NY · pith_short_8: PKFEF25M

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/PKFEF25MP6WKZ2NYH2NIXIILTM \
  | 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: 7a8a42ebac7facace9b83e9a8ba10b9b0e1f1b82ee9f412fab15c807b85ce773

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22a2ff240cb2dc2cf7973c6c10bd733b1bbcff51769bcc718b4e4b02fe66d27a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-07-16T17:48:20Z",
    "title_canon_sha256": "d4e752e57e33017c2b6bb078a1225434a8c5aada110e408a79d9210b5934c937"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4393",
    "kind": "arxiv",
    "version": 1
  }
}