OpenTechnical

OT-2026-000086937

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000086937) never changes.

Identity and time

Publication numberOT-2026-000086937 · never reused
Internal UUID01a0ae9a-80a5-77ae-b2ff-07f7d3b0e02a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086937
StatusPUBLIC

Content hashes

Canonical text255c6d8534930e362fffc5288a4c522bab3546cbb42b542e8261f7856bd7a7a0
Markdownf78faae214e03d9f18265dd844d2482b64035b9d9c1992f0e7626c88940fb29c
PDF
Publication page300fa159494c9c6c4af3f9b25cceff036ad01f180eefc1ebcd30a8daccfd1169
Manifeste640abeca552353e00c8d75f27889c9e02db3e83e93cd453709536e32c5d52a6

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
Signature+Q3TTY3kinR+yzuBhdSjIrvOsYIpReyCRxTiUMmTQ+dqtzNvboKkjDk2E0nVeL1D3zYD5lYnSzacBi5hc7CWBg==
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

2026-09-17T09:51:49.595206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086937
observed 300fa159494c9c6c4af3f9b25cceff03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:49.574293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086937/manifest.json
observed e640abeca552353e00c8d75f27889c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:49.553559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086937/publication.md
observed f78faae214e03d9f18265dd844d2482b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:49.528628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086937/publication.txt
observed 255c6d8534930e362fffc5288a4c522b...
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.