OpenTechnical

OT-2026-000084897

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000084897) never changes.

Identity and time

Publication numberOT-2026-000084897 · never reused
Internal UUID01a0ae99-43b4-7e39-b6b6-9077522be2aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084897
StatusPUBLIC

Content hashes

Canonical textccf6f78698ecb3fd62e3b553e150205b577c02988a5ab9ebff4f6f9fb9ebcf3c
Markdown82602c8427479ff8622de8d3e4ae4c9f72d2750c384bce3dc1996389f595afab
PDF
Publication page197657283ece8a4460eedfce811d87d2836dfd970584420f631e88ec9692e43d
Manifest2817155916a8d054e67b098a6bdba01974f790f715102e48a5e04f52b14e8133

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
SignatureounkM0dk5WDNqQP+3cJFmz0Sy5RSP4wV/3Gvr4TdnRwM7QcrXWgbfYt2v1YZgU9ri1j/wKLDu2zJfKMAb54aDg==
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

2026-09-17T09:54:52.438968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084897
observed 197657283ece8a4460eedfce811d87d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:52.420092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084897/manifest.json
observed 2817155916a8d054e67b098a6bdba019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:52.400856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084897/publication.md
observed 82602c8427479ff8622de8d3e4ae4c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:52.382056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084897/publication.txt
observed ccf6f78698ecb3fd62e3b553e150205b...
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.