OpenTechnical

OT-2026-000079951

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-2026-000079951) never changes.

Identity and time

Publication numberOT-2026-000079951 · never reused
Internal UUID01a0ae96-4377-7737-ae71-a68d8653dcbf · 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-2026-000079951
StatusPUBLIC

Content hashes

Canonical text53441821400fa24476989515dcd94d7090a7cc299ce01ed1a24b0d79a99f63a3
Markdown97ef768584db1e587989c89d6273873797b991d7e2c194316cca37d6eb7670f4
PDF
Publication page10e1f9589a0417af7988b02f02144aea4ad98754e04aa69337718ca779e997d5
Manifestd969a1cb09f2e6d02915aafcf5a79772621381a46be4ed1437cbd42a04d42d97

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
Signature+45peUxi+SkGr3VW7o81daDEP41SjLsv7tXnjgEFFiSpJ++5VjbLdSaW+FvzV7ePUKUBKZJw7uy8NMSK6cSiBw==
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

2026-09-17T10:03:51.604688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079951
observed 10e1f9589a0417af7988b02f02144aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.584182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079951/manifest.json
observed d969a1cb09f2e6d02915aafcf5a79772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.561399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079951/publication.md
observed 97ef768584db1e587989c89d62738737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.544579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079951/publication.txt
observed 53441821400fa24476989515dcd94d70...
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.