OpenTechnical

OT-2026-000081421

Publication integrity record

Two cup vacuum gripper, two 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-2026-000081421) never changes.

Identity and time

Publication numberOT-2026-000081421 · never reused
Internal UUID01a0ae96-f375-7ea8-bec9-31f8241d4f46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081421
StatusPUBLIC

Content hashes

Canonical text1f4448fb158576e48e136ba9d1a9805725fa61a72887113f88c6f9bf19ddf3a2
Markdownd3a8a34687515745ad7616b2a15466ff9088c3e964a7577aa0213de79e2e513c
PDF
Publication page1df6eebab7fd5b6d80713b8a1dcb5de9d91e5b7e19bbbfce45c02fbf7ff6818c
Manifesta2712eb2743d6a615596d9596cadd04fed6484fb37380f27d3b2ec1557d27564

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
Signaturebpa11MNeqFwNTULVFPCjVV1919iDzo7bjBxjUuIcQTqPxNtZ7FlbwPCo9lPRhdR1YKfeYrUi+S0g4jQjOBh3DQ==
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

2026-09-17T10:01:34.493098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081421
observed 1df6eebab7fd5b6d80713b8a1dcb5de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.474106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081421/manifest.json
observed a2712eb2743d6a615596d9596cadd04f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.454347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081421/publication.md
observed d3a8a34687515745ad7616b2a15466ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.435400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081421/publication.txt
observed 1f4448fb158576e48e136ba9d1a98057...
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.