OpenTechnical

OT-2026-000091281

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091281) never changes.

Identity and time

Publication numberOT-2026-000091281 · never reused
Internal UUID01a0ae9c-f16c-79ca-9745-ec12cf450a7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091281
StatusPUBLIC

Content hashes

Canonical textabca9f7f09d7320747162ff7712b64ebbf0686298f1fc19b1663f4428de1e517
Markdown345ec57fb9d2387b1fc38b5c32dea870fcb2993d83dbc06a321ae29d02d193a9
PDF
Publication pagef1b547dddda9d815a4907c866c4ed46df135caefe25208736c50f1165e2640fc
Manifest66187eba973ffad75e92c708ca13339a2b89a3e14d0a349b4ae8fa77968ac504

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
SignaturejFH9JFRXJO66i9UAxxMQ6TNAzdbbaltTRH8ARzeL9j0eqDuWi2h4sP4j79smtx8nVaDzvRknRG3oUS1tTchVBQ==
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

2026-09-17T09:43:27.966141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091281
observed f1b547dddda9d815a4907c866c4ed46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.948946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091281/manifest.json
observed 66187eba973ffad75e92c708ca13339a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.931688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091281/publication.md
observed 345ec57fb9d2387b1fc38b5c32dea870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.913223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091281/publication.txt
observed abca9f7f09d7320747162ff7712b64eb...
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.