OpenTechnical

OT-2026-000092015

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six 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-2026-000092015) never changes.

Identity and time

Publication numberOT-2026-000092015 · never reused
Internal UUID01a0ae9d-43bc-7889-9ab7-901fe4375926 · 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-2026-000092015
StatusPUBLIC

Content hashes

Canonical text455af9fb3052f9c599545aca6a07f7be3bb786f5aca6eb47a8a3881588724c05
Markdown2b8d0e147865c0aa44128f049c691ac067728172eae7bc7565c06eb17e5ee36b
PDF
Publication page0731403e05ab3d2ba27ff08858aa52dc16c2acbf0a32f2454d0e37f54fea10c4
Manifest6736b4b5b2052bdb78005ee8aa5bebc5302cedd5d893ca4e76ea0cd3332be249

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
SignatureINLwn8SqKZYRUt1IPpSiWih/OM9Eg/ozIYGCujZ1r2AlutLAefJS4OHdOgCcEtl3mv0/8MQCFZT7ByXNlhuhBg==
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

2026-09-17T09:43:05.706251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092015
observed 0731403e05ab3d2ba27ff08858aa52dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:05.687479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092015/manifest.json
observed 6736b4b5b2052bdb78005ee8aa5bebc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:05.669208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092015/publication.md
observed 2b8d0e147865c0aa44128f049c691ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:05.648821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092015/publication.txt
observed 455af9fb3052f9c599545aca6a07f7be...
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.