OpenTechnical

OT-2026-000067796

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000067796) never changes.

Identity and time

Publication numberOT-2026-000067796 · never reused
Internal UUID01a0ae8f-c4fa-79c1-ba14-fff62fa4de65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067796
StatusPUBLIC

Content hashes

Canonical textd39c0aae1f7d4a309c5dd1ee3f152fb6d8aec683a7fa21e1e8987d02b915255f
Markdown0a71e042443eed2a17b4add6ebdc22477f5ff9e3ffb070c677cf576556130982
PDF
Publication page6d5188fc5eb19296f89ae38328d68bee21b726bc8be0c7a00203bd8e3cf7b2c5
Manifestaf9861fc42733643b707eedc043927aa93ee48c30d92ed740babeeb90887d926

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
SignaturetJswr9mHB9hno4XbDlssgqHguyuDi+IfiZVpvBVqK7z8jWUK1k3uXlEQJNP88tRJbmy67cZ+FnMlRC0eD5TdBQ==
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

2026-09-17T10:30:02.048012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067796
observed 6d5188fc5eb19296f89ae38328d68bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.030630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067796/manifest.json
observed af9861fc42733643b707eedc043927aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.013097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067796/publication.md
observed 0a71e042443eed2a17b4add6ebdc2247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.994694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067796/publication.txt
observed d39c0aae1f7d4a309c5dd1ee3f152fb6...
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.