OpenTechnical

OT-2026-000080787

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000080787) never changes.

Identity and time

Publication numberOT-2026-000080787 · never reused
Internal UUID01a0ae96-b974-7941-ad58-1cf88735cb12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080787
StatusPUBLIC

Content hashes

Canonical textbc5d56c12be45873df828022541ab85fb1564a31cd835169e6a4d82fd14061c3
Markdown4110edc089ddf30f78d33b2afeed1f1f9da0654c7b865e78ee7106da2132e6a6
PDF
Publication pagead75f360c5ed9b1f890e3462bc0828fc92b2423e191b1ef0c9551cf21df23129
Manifest13cd1a1f95c245c6ecf7d44f158101a389b1aac29fcb079a59a69817b7bf92e3

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
SignatureqQmEFNlsOD7DI4zs0GOJws0H2dE9g1abMLIpZuyK7WOmUQ9zhiDsfRMrveYn4/Guy1Rmer5+DkpJfPVcpzl+Dw==
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

2026-09-17T10:01:57.624524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080787
observed ad75f360c5ed9b1f890e3462bc0828fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.605100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080787/manifest.json
observed 13cd1a1f95c245c6ecf7d44f158101a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.584984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080787/publication.md
observed 4110edc089ddf30f78d33b2afeed1f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.566584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080787/publication.txt
observed bc5d56c12be45873df828022541ab85f...
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.