OpenTechnical

OT-2026-000060057

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000060057) never changes.

Identity and time

Publication numberOT-2026-000060057 · never reused
Internal UUID01a0ae8a-5a70-73ca-b36d-6eed8f13df8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060057
StatusPUBLIC

Content hashes

Canonical text8a645685d63d02459ebe5bd34945a23a4823a53f1db6bd70faf8460cb535d2fb
Markdown1b4d0b48bd889056cc9a04151893173db72fdc1890c23df9c4735c3fb2485447
PDF
Publication pagedb19a7eb5bc5151dfc0d05e3019aefeae3560fb23a787dc877db24899f63f8a3
Manifest24ecb9e1ae979821fe8721c2be1f07c4dfa14b02c2a4f8b7ab2177318cf666ac

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureV1rDMav71wLC0ubjC8HEXmB8bqBVkpS7Mrv2sQ9tDyG+VCA+J75ra/lCaEauDSSG/MmpjgManjEdiJrmM+8CAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:40.974995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060057
observed db19a7eb5bc5151dfc0d05e3019aefea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:40.954020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060057/manifest.json
observed 24ecb9e1ae979821fe8721c2be1f07c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:40.934617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060057/publication.md
observed 1b4d0b48bd889056cc9a04151893173d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:40.888020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060057/publication.txt
observed 8a645685d63d02459ebe5bd34945a23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.