OpenTechnical

OT-2026-000078975

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000078975) never changes.

Identity and time

Publication numberOT-2026-000078975 · never reused
Internal UUID01a0ae95-ccbe-78d4-989b-4f7bf56d1473 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078975
StatusPUBLIC

Content hashes

Canonical text86322a922e7db6b53a0c77e7c08fbebe194c43e188e59f245f61cc4a26280f40
Markdown0df65d117979c3b6acee1a2895ceaf022f0385076581354eb77d8bd9f2b1fdbd
PDF
Publication pagee654e234863988867459823541e66813bfcb10e1c679c23bb948e114e2b68e78
Manifest0c8a67241be52405323fd5ec08dbbee1805cce7ead5dbe1735778029bcbd1cf0

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
SignatureNNp4iYmjJNrDseLgU5jOKAWJrZn79gJYJGqpoTgZLeY5NNLirZpxzzCoPN/IYqyMJJpQQ9vTqMxLS21OhYIlAA==
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

2026-09-17T10:05:48.191589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078975
observed e654e234863988867459823541e66813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.173652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078975/manifest.json
observed 0c8a67241be52405323fd5ec08dbbee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.154615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078975/publication.md
observed 0df65d117979c3b6acee1a2895ceaf02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.135863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078975/publication.txt
observed 86322a922e7db6b53a0c77e7c08fbebe...
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.