OpenTechnical

OT-2026-000074171

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000074171) never changes.

Identity and time

Publication numberOT-2026-000074171 · never reused
Internal UUID01a0ae93-7178-7500-94b6-553a5fb44b9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074171
StatusPUBLIC

Content hashes

Canonical text817a55ea4c972b026c84c8e52d8c7431581689b1fd47b2529ff7286224da57b5
Markdown4caf2f329a5bbcd843e5cafd585039407870b13f51043ea8794d37988b842039
PDF
Publication pageee32577093a7596962ebf5927dacb1fc106b31415d92a01efc1e2bfa6f40b552
Manifestd5f15f4b6f938cac5b7452045d7f629a0c82d6f496d86295962efe43b25dbb65

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
SignaturecLz0Drcz/+jHzc6oMGfJMq7n2x5d8rEzCFBVwLHrcOjfmQj1WovlwG5QzNHkfSOQQjXQSS/FLFRjEuU7nZwYAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:01.303218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074171
observed ee32577093a7596962ebf5927dacb1fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:01.286719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074171/manifest.json
observed d5f15f4b6f938cac5b7452045d7f629a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:01.268599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074171/publication.md
observed 4caf2f329a5bbcd843e5cafd58503940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:01.251885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074171/publication.txt
observed 817a55ea4c972b026c84c8e52d8c7431...
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.