OpenTechnical

OT-2026-000078091

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078091) never changes.

Identity and time

Publication numberOT-2026-000078091 · never reused
Internal UUID01a0ae95-6e8c-7bf2-b044-9e97454716da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078091
StatusPUBLIC

Content hashes

Canonical text1e69ea9aad38a2728a3b11c07e240ff7e94e496c4b4ed16d5f728f435cd23529
Markdown5d41ec949116fab391224f754eeaac5d8df849e7f7944d1cbb4e4eda34d03dfd
PDF
Publication page52f414b671004e22d2dcc389e3f7bb7a8cd7d5f3897fa14b169376955e3de63d
Manifest663c0990fc3423eaeb186e0614635625666312a7c98b5877ef5815a1d022f064

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
SignatureODs75dP31Mq9coWAYnaM6H55p3clVeb/uEKra6DLlDFGWz8ynUqE2bjLVzHgGzaMVHkMdHYqZHQi4r4jxvc1Dw==
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

2026-09-17T10:06:47.949919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078091
observed 52f414b671004e22d2dcc389e3f7bb7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.930935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078091/manifest.json
observed 663c0990fc3423eaeb186e0614635625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.911634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078091/publication.md
observed 5d41ec949116fab391224f754eeaac5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.895448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078091/publication.txt
observed 1e69ea9aad38a2728a3b11c07e240ff7...
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.