Pith Number

pith:CQSYRXJF

pith:2014:CQSYRXJFFEBEXONQJOKW6NIRI7

not attested not anchored not stored refs pending

The VAMPIRES instrument: Imaging the innermost regions of protoplanetary disks with polarimetric interferometry

Barnaby Norris, Frantz Martinache, Guillaume Schworer, Nemanja Jovanovic, Olivier Guyon, Paul Stewart, Peter Tuthill

arxiv:1405.7426 v3 · 2014-05-29 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQSYRXJFFEBEXONQJOKW6NIRI7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:27:57.152914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

142588dd2529024bb9b04b956f351147e8f1940236d84ba48e46b7facf140a31

Aliases

arxiv: 1405.7426 · arxiv_version: 1405.7426v3 · doi: 10.48550/arxiv.1405.7426 · pith_short_12: CQSYRXJFFEBE · pith_short_16: CQSYRXJFFEBEXONQ · pith_short_8: CQSYRXJF

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/CQSYRXJFFEBEXONQJOKW6NIRI7 \
  | 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: 142588dd2529024bb9b04b956f351147e8f1940236d84ba48e46b7facf140a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f25e16768d507cac73e74873a529987cb479d8d9f306b6fbb76798dce9f67d37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-05-29T00:04:39Z",
    "title_canon_sha256": "1543dfcbd858ba359770d9faa95585ec0b757c0d79764d0a6369f8cd7a2aed9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7426",
    "kind": "arxiv",
    "version": 3
  }
}