OpenTechnical

OT-2026-000010827

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented after 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-2026-000010827) never changes.

Identity and time

Publication numberOT-2026-000010827 · never reused
Internal UUID01a0ae6c-540d-79b8-b0d7-5c82d948d8c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010827
StatusPUBLIC

Content hashes

Canonical text42852d28fd90f97857a4e464ccb1d153647be03a7ac9b57f6e945b2cde769182
Markdown73cba96fcc6539e119378583fa95864f3f4fc1c74b89f15428c8a983d9f826ec
PDF
Publication pagecab7d1018bb3945e1d25262921d60be4f92e196d096defbc7135c40f33f3bf0e
Manifest04ee9542b5cd01eb5a99875508f5370e0fbd76f4593f50e2d9f4b8fe0140610c

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
SignatureOJIYYEJFtZ5Oacj/u5AKsyMdDSUvKIWOxIOLRqTR21Gs+1WyXquLyc7rnK46hACIXgFk6+Naejo3X7ytV6SNBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:33.464903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010827
observed cab7d1018bb3945e1d25262921d60be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.447548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010827/manifest.json
observed 04ee9542b5cd01eb5a99875508f5370e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.428435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010827/publication.md
observed 73cba96fcc6539e119378583fa95864f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.409413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010827/publication.txt
observed 42852d28fd90f97857a4e464ccb1d153...
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.