OpenTechnical

OT-2026-000091829

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091829) never changes.

Identity and time

Publication numberOT-2026-000091829 · never reused
Internal UUID01a0ae9d-43ba-7a76-9aa2-1eaa847dd91a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091829
StatusPUBLIC

Content hashes

Canonical textd99756b62f79d8043227bf8a1da9944dcc6b570494f09528df65ee44561185aa
Markdownae1f1b427c179ece5e5c41749cf04e3babba6f0a99e0c140bcbb10fe6f06a41a
PDF
Publication pageaef2ec9ce8920a85167a18dd2d537955ab9f1464d7009ba0114dab6f5628c65b
Manifestfc6d0959d1451e52e619bf8d18ae12f75ec3be70fb640a2bb2c67b8af5d42d2b

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
SignatureAZ0jZSdWLNkD9chQVQrSgV1CguOoHDRgQYxP+CX4OLIr/LTZJQu69dRhLaGUIl8QwjY7DwOrjnCsvIFd5l4QAA==
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

2026-09-17T09:42:44.677509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091829
observed aef2ec9ce8920a85167a18dd2d537955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.660454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091829/manifest.json
observed fc6d0959d1451e52e619bf8d18ae12f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.643126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091829/publication.md
observed ae1f1b427c179ece5e5c41749cf04e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.624790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091829/publication.txt
observed d99756b62f79d8043227bf8a1da9944d...
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.