OpenTechnical

OT-2026-000091304

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000091304) never changes.

Identity and time

Publication numberOT-2026-000091304 · never reused
Internal UUID01a0ae9c-f16c-7e27-857e-e2d2d8585bd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091304
StatusPUBLIC

Content hashes

Canonical text77d03e05282e479618a028b022dcac8049802fe0262c14bc79e24dd038ea83e1
Markdown7a88cc628be2a6ad1af5f83de4f1d0c34b9731a38cf87b83e57fa8b4e94ab423
PDF
Publication page036e53703c22886d6f48297083246acf47829c4d37f4908005e9cb9bc0f4eb40
Manifesta62aaa8a15f157db2090db3ef5e7c1985c8292d6ae75b813eff564eb71021e18

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
SignatureVhuTY2x9JIQiBPFCuP8PsjwJgpjzyl1hKMUipbpS7rBtmo5kmqjSKTjT6NT6scex/HmkNYLNHYPIvAaMv4T8DQ==
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

2026-09-17T09:43:30.203526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091304
observed 036e53703c22886d6f48297083246acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.186220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091304/manifest.json
observed a62aaa8a15f157db2090db3ef5e7c198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.147407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091304/publication.md
observed 7a88cc628be2a6ad1af5f83de4f1d0c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.129962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091304/publication.txt
observed 77d03e05282e479618a028b022dcac80...
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.