OpenTechnical

OT-2026-000068258

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000068258) never changes.

Identity and time

Publication numberOT-2026-000068258 · never reused
Internal UUID01a0ae90-247f-7989-ad01-9009895d07b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068258
StatusPUBLIC

Content hashes

Canonical text5bbb217424cb6d6dde9991021107080c1d3757a445ce06264b2ba9daca7a4329
Markdownbab1eddae8ca2e81f8fac3fee2ca19b86ea445b9ab7c0926d89e4cc5243bb22b
PDF
Publication page43acbaa3eebff5fd74d884b4ef2f93fcb18ca4f99060cf826bbe245170c93b95
Manifest3132b854059f2a131c30d072ecd1fa7ebd21835e5ab9f571cfaf3535d314b10c

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
SignatureBIzyHywzr1EyLzNjODge6+JUJSRC2c0E+oVvwtGhOBw/gHeC6bIUXLSYHW0E9mYHtDRhRcEbepB7USiZGeqMCg==
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

2026-09-17T10:29:16.914045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068258
observed 43acbaa3eebff5fd74d884b4ef2f93fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.896113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068258/manifest.json
observed 3132b854059f2a131c30d072ecd1fa7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.875991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068258/publication.md
observed bab1eddae8ca2e81f8fac3fee2ca19b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.858571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068258/publication.txt
observed 5bbb217424cb6d6dde9991021107080c...
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.