OpenTechnical

OT-2026-000079939

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000079939) never changes.

Identity and time

Publication numberOT-2026-000079939 · never reused
Internal UUID01a0ae96-4377-793c-87a6-fd1bdb8dbdf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079939
StatusPUBLIC

Content hashes

Canonical text01d041f86e77d0688edc6c7a4b9b3f3e43a6e23e37f0ee14d16e9121eb39d426
Markdown9f92a42516f3464649fd0aba7ca1423604c36a1adc8dd492d23114a70da0afb8
PDF
Publication pagefa8cd00c885cac2268e00b203a837a45b60af1e6cc579131c56da95264cb902a
Manifest6f026224f73e710fbc675bcec516a20a808b9a011436d796f65cba9ec0220324

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
SignatureeuorNZomjg9u5tJIQ7KmM/RUuK7z+nE4JNLB6Kxd94vEXo40PucUTKi48nRRqs2T30kLWIVBM/ZstV6IjfOeBA==
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

2026-09-17T10:03:50.650026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079939
observed fa8cd00c885cac2268e00b203a837a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.632329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079939/manifest.json
observed 6f026224f73e710fbc675bcec516a20a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.613429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079939/publication.md
observed 9f92a42516f3464649fd0aba7ca14236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.594847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079939/publication.txt
observed 01d041f86e77d0688edc6c7a4b9b3f3e...
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.