Pith Number

pith:IDGHN3DQ

pith:2011:IDGHN3DQ5YB2YIBZZ3WPUVAWEX

not attested not anchored not stored refs pending

Fiber Assignment in Next-generation Wide-field Spectrographs

Antonio D. Montero-Dorta (IAA-CSIC), Francisco Prada (IAA-CSIC), Isaac Morales (IAA-CSIC), Justo Sanchez (IAA-CSIC), Marco Azzaro (IAA-CSIC), Santiago Becerril (IAA-CSIC)

arxiv:1103.0988 v1 · 2011-03-04 · 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{IDGHN3DQ5YB2YIBZZ3WPUVAWEX}

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	2026-05-18T02:02:59.574026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40cc76ec70ee03ac2039ceecfa541625fc3d7e4088e2dc2c17e563187ad7b836

Aliases

arxiv: 1103.0988 · arxiv_version: 1103.0988v1 · doi: 10.48550/arxiv.1103.0988 · pith_short_12: IDGHN3DQ5YB2 · pith_short_16: IDGHN3DQ5YB2YIBZ · pith_short_8: IDGHN3DQ

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/IDGHN3DQ5YB2YIBZZ3WPUVAWEX \
  | 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: 40cc76ec70ee03ac2039ceecfa541625fc3d7e4088e2dc2c17e563187ad7b836

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f40a3a6c82c08392e720ed3a07514de25f9916bb488d04ad11deffbd78518db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-03-04T21:53:21Z",
    "title_canon_sha256": "9b0c4b7c73ff3610c9f167873a5964a37f9ed70e8f4f873ad9db106bcb80f9f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0988",
    "kind": "arxiv",
    "version": 1
  }
}