OpenTechnical

OT-2026-000079181

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000079181) never changes.

Identity and time

Publication numberOT-2026-000079181 · never reused
Internal UUID01a0ae96-0b8f-7a27-b530-c4e56f3c5621 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079181
StatusPUBLIC

Content hashes

Canonical textfcf2fd401a65da9d9cc39b2284e86fe8184c09da93a3bcdeb91778087048e76e
Markdown072bdbfc11e00e3377f2e5a3d381b8299c6ccf57d774ec88394763189112e2d3
PDF
Publication page13d68aaab67d06904d7ae7b4a47be9fa43a594d1e29755fb1942cd5a33a23cde
Manifest018d5ea45a6792b03ecd71c00b80b91ddda19a45a47fb008092d2a84e63ec82e

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
SignaturegJ732B3FWMlYpNHCeANV2z6guk6ZH45O9tygtiEdjoWcABj1b0ArN5cRh4g9V6RLvBLi/cotDxj3KPS6+5EoBA==
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

2026-09-17T10:04:46.389131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079181
observed 13d68aaab67d06904d7ae7b4a47be9fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.371005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079181/manifest.json
observed 018d5ea45a6792b03ecd71c00b80b91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.352719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079181/publication.md
observed 072bdbfc11e00e3377f2e5a3d381b829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.336276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079181/publication.txt
observed fcf2fd401a65da9d9cc39b2284e86fe8...
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.