OpenTechnical

OT-2026-000033020

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000033020) never changes.

Identity and time

Publication numberOT-2026-000033020 · never reused
Internal UUID01a0ae75-4843-7fb3-b2da-627a020bc268 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033020
StatusPUBLIC

Content hashes

Canonical text37500110ef07a0e5a6c68da2f9280945e58ddbdd6912958e729845c89c65b94c
Markdown4db43db0c16e9e4733418f5727f4a48a7bd51afce82928e4c7b0f864e3607908
PDF
Publication pagecb06e90328f80e7cc939c6bd30bb8d1a835cb67960cf834d123dd0d33e3604ae
Manifest7d52a2994ddcc7cb4b60d8d91cc208da0da2b5f5243dc73a4cdf3aff97da48a6

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
SignatureU3vyFsWmrjdZAaiB/kaLQX8jP9CIJbpkT4jrh/E2kDqbeyf4KbZa9hpqglrzdqtXVdjksEb7J9Klfgbl/s9mCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:38.826975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033020
observed cb06e90328f80e7cc939c6bd30bb8d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.799549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033020/manifest.json
observed 7d52a2994ddcc7cb4b60d8d91cc208da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.781561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033020/publication.md
observed 4db43db0c16e9e4733418f5727f4a48a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.762853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033020/publication.txt
observed 37500110ef07a0e5a6c68da2f9280945...
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.