OpenTechnical

OT-2026-000085772

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, sustained blow-off before set-down

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-2026-000085772) never changes.

Identity and time

Publication numberOT-2026-000085772 · never reused
Internal UUID01a0ae99-e829-78eb-8e40-bdc90bd914ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085772
StatusPUBLIC

Content hashes

Canonical textf7d583d214fb5288b7f10f985a5fb39efbb667213ed07a59237f21fc0280f5f3
Markdown30874171cc76d967e7eee0659728fea9df8e7421a076fd4138a04be0e695d40c
PDF
Publication page5d284ecb3aa1203469724bb0a76651fe5808ef15b699463c2f6274fa80d41cbd
Manifest49871520dc5653097a28984181748e43bba4920634e947792ef55ca28a75bc82

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
Signatured+prMZ3nug0F8LXxXBGMQ3Vh0TtmrKW3gF/h6gugaV4TWzBVP4GGdkoK8gPjNMAXJuESAizPDmgeLMMNOZvaCw==
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

2026-09-17T09:52:39.886838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085772
observed 5d284ecb3aa1203469724bb0a76651fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.868670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085772/manifest.json
observed 49871520dc5653097a28984181748e43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.851662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085772/publication.md
observed 30874171cc76d967e7eee0659728fea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.833396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085772/publication.txt
observed f7d583d214fb5288b7f10f985a5fb39e...
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.