Pith Number

pith:6M6AWPG3

pith:2021:6M6AWPG3Q3QVO4SWIVDKFYRF7N

not attested not anchored not stored refs pending

Performance of the Dark Energy Spectroscopic Instrument(DESI) Fiber System

Claire Poppett, David Bramall, David Brooks, Duan Yutong, Erique Gaztanaga, Francisco Prada, Gregory Tarle, Jerry Edelstein, Jessica Aguilar, Julien Guy, Jurgen Schmoll, Kevin Fanning, Luke Tyas, Michael Levi, Patrick Jelinsky, Paul Martini, Peter Doel, Ray Sharples, Sharon Jelinsky, the DESI Collaboration

arxiv:2101.11564 v2 · 2021-01-27 · 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{6M6AWPG3Q3QVO4SWIVDKFYRF7N}

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	2026-07-05T08:47:03.253533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f33c0b3cdb86e15772564546a2e225fb754fc0e89ecc11fc7069cc08055bca4a

Aliases

arxiv: 2101.11564 · arxiv_version: 2101.11564v2 · doi: 10.48550/arxiv.2101.11564 · pith_short_12: 6M6AWPG3Q3QV · pith_short_16: 6M6AWPG3Q3QVO4SW · pith_short_8: 6M6AWPG3

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/6M6AWPG3Q3QVO4SWIVDKFYRF7N \
  | 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: f33c0b3cdb86e15772564546a2e225fb754fc0e89ecc11fc7069cc08055bca4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b26dc80408197d9b23473b98fe0a9e1a5770afbf5703661af5983f345c09f7dd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-01-27T17:39:07Z",
    "title_canon_sha256": "e3a1dbcb0420fd12e48b462396e4ac948958842027e2ba9463de859f66b2ddc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.11564",
    "kind": "arxiv",
    "version": 2
  }
}