OpenTechnical

OT-2026-000084927

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000084927) never changes.

Identity and time

Publication numberOT-2026-000084927 · never reused
Internal UUID01a0ae99-43b6-7736-add6-fca5ee099180 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084927
StatusPUBLIC

Content hashes

Canonical text335da23edc46bc5e4f2afa864e21b7c5ceab340cbcde038e895b7bababeef801
Markdown1c2288695e9a68f3b2d7d41f00d94af7ad2c263fbf7c9f76e767dc2ee47d639e
PDF
Publication page12add33ba5edd35d0b9e1d8f276bee359ef5d549ca11dc6df2b52618f2194c0a
Manifest4e94f4076f1911337ba0d3f9f6d4d2244ac221c7aa47fd34e7bac6976878d5ae

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
SignaturelVQMWmvStYx6B3qX/VRZukDHFcbsulv5EkUa9UiAaEkkw2FECN0W8ZaRMdPi6mIid5fpm4o7IkxMwg2ymwpjAA==
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

2026-09-17T09:54:54.880963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084927
observed 12add33ba5edd35d0b9e1d8f276bee35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:54.864600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084927/manifest.json
observed 4e94f4076f1911337ba0d3f9f6d4d224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:54.848909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084927/publication.md
observed 1c2288695e9a68f3b2d7d41f00d94af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:54.831883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084927/publication.txt
observed 335da23edc46bc5e4f2afa864e21b7c5...
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.