OpenTechnical

OT-2026-000080411

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, sustained blow-off before set-down

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-2026-000080411) never changes.

Identity and time

Publication numberOT-2026-000080411 · never reused
Internal UUID01a0ae96-7e78-7bfa-a4ff-9f19b12ebc3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080411
StatusPUBLIC

Content hashes

Canonical textca30bd2991fa481631763064a07bb59d63270a1b85966963e2af82af7125fdb0
Markdown9a3e6e8bf19dcb322f35ebc86229434d58016e735ccbd1aa38a7cb88c5e20068
PDF
Publication page2b3d52b680d6edcc0bf0dba933c4e0db4c4948b99c9f8e133308f59c84f7844e
Manifestd6475b232a2962c62abe480147256f2056f9a4d3ed90e8c51b51d473cbf5e25b

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
SignatureiGoMk1LYx5hVqITr9B51qMIEtbUGmuQSNSiSRDHO7vKKlL3o2o0Md8rMza32CU8cmFICPgZeqJ1oiaUog8HzAw==
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

2026-09-17T10:02:54.834917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080411
observed 2b3d52b680d6edcc0bf0dba933c4e0db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:54.816414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080411/manifest.json
observed d6475b232a2962c62abe480147256f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:54.799293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080411/publication.md
observed 9a3e6e8bf19dcb322f35ebc86229434d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:54.779842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080411/publication.txt
observed ca30bd2991fa481631763064a07bb59d...
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.