OpenTechnical

OT-2026-000061262

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000061262) never changes.

Identity and time

Publication numberOT-2026-000061262 · never reused
Internal UUID01a0ae8b-1382-76be-a9aa-0ed85789c29c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061262
StatusPUBLIC

Content hashes

Canonical textdb18d021ff6c85a1ae6bb59b687c8d20a6682c73596b093d36c1acd12b4f6411
Markdown7d11d533f98a6aaaa2f8cb2dca6947640666f6dd6e76cb4eaed66dd1967413b7
PDF
Publication page7e9c0551f3e0e5fa8a9d2d610cf243131d17baa8bb18bb3b4000ba84fd6da091
Manifest8b6cacd779966e4359fbf3f15b86971f5a9334afb427b1e47df0df25ea8407d1

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
SignatureVKuFtXcBTAwubjnKkIspY0exp44LLShc3Z3mb+eNXZnZh3clvwyiZNRrMR7c/nUZYEFFr1WBbwy4IMbtgCG7DQ==
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

2026-09-17T10:42:40.826770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061262
observed 7e9c0551f3e0e5fa8a9d2d610cf24313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.808766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061262/manifest.json
observed 8b6cacd779966e4359fbf3f15b86971f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.790286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061262/publication.md
observed 7d11d533f98a6aaaa2f8cb2dca694764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.770221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061262/publication.txt
observed db18d021ff6c85a1ae6bb59b687c8d20...
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.