OpenTechnical

OT-2026-000068978

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000068978) never changes.

Identity and time

Publication numberOT-2026-000068978 · never reused
Internal UUID01a0ae90-6dcd-76c3-a102-4411b6da4fcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068978
StatusPUBLIC

Content hashes

Canonical text66da215e22e2b4466606cf7d93f22393ec8c115d20eb9acf4291396b29112c89
Markdown8f052cd04c7a5939b3fd3f0c17b7917aac254c4e17b55dfdbb07b9bb2bd5fac7
PDF
Publication paged8a5058224bbfc5ac9e3be82d02eb7063f0667c6712a958db08e55a3b20f4519
Manifest06b0e44ac64ff9649e61fa163d83c785fe4a9c772a98673745fb0bb711793cb1

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
SignaturecFYhtN0uclLc/MPZ7WCTF4z5pDX5WknEpOIYCgNGw6ljr6OHO/7NfSX2XxWDyG+Af1k15bhaK6ebaopujtn9Dg==
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

2026-09-17T10:28:49.061528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068978
observed d8a5058224bbfc5ac9e3be82d02eb706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.045264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068978/manifest.json
observed 06b0e44ac64ff9649e61fa163d83c785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.027524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068978/publication.md
observed 8f052cd04c7a5939b3fd3f0c17b7917a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.010044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068978/publication.txt
observed 66da215e22e2b4466606cf7d93f22393...
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.