OpenTechnical

OT-2026-000089035

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three 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-2026-000089035) never changes.

Identity and time

Publication numberOT-2026-000089035 · never reused
Internal UUID01a0ae9b-daff-7594-9db8-0c77990424d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089035
StatusPUBLIC

Content hashes

Canonical textfe39856a9912826043df353e21b1b5560cda14dfbb2d38d35ae4eabaa7b066df
Markdown7c202b8a9f4c8225c6c149a12eecc4d2ca18f269a7d10a7bb6b7fdde1e9e7ce4
PDF
Publication page5993d756e9ef0460352f28783a0e8c62dfd7dd84d81551f617d80d8705adcfcd
Manifest64fd0a302110909fec773535f84557e07e978f03bbdeb78e1de357c052c74bf2

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
SignatureZtPq2WqFDA5D3eOrCtU0bh/2QbmPK6MW1CwuMNfpZtzogkEW0OKkwMscoOfjwnJDvCsH8Ju4eETrK7BITy6WBw==
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

2026-09-17T09:46:55.875579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089035
observed 5993d756e9ef0460352f28783a0e8c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.858994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089035/manifest.json
observed 64fd0a302110909fec773535f84557e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.841634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089035/publication.md
observed 7c202b8a9f4c8225c6c149a12eecc4d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.825395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089035/publication.txt
observed fe39856a9912826043df353e21b1b556...
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.