OpenTechnical

OT-2026-000062099

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000062099) never changes.

Identity and time

Publication numberOT-2026-000062099 · never reused
Internal UUID01a0ae8b-b8b0-7734-90be-45efb50b5e8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062099
StatusPUBLIC

Content hashes

Canonical text3199aee9eb0a45831d8f0e184e31378414e090562033e753ff3f04e0420621aa
Markdown4d59593a6b9f4914f1654c6b7ef1f97abc4913b38226e0de066e2fc8b8d07b75
PDF
Publication pagef4eec1df5831613652afc4f7e56d73e53ef6038efd760ba969342818311f00d6
Manifesta8dbca75218c7cbd1724877559b6fa91d68bca8627c40d21c3f38dc4b6d097be

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
SignatureyxfXQJ+2Ib45NgpQ1d9VL1kjhmchV68UoO+J1dgUoDiEzCnpZ/BO4+Wh8BqsvIUXiFv/uPHykHMKvwqq0a1fAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:09.389351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062099
observed f4eec1df5831613652afc4f7e56d73e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.370655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062099/manifest.json
observed a8dbca75218c7cbd1724877559b6fa91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.353630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062099/publication.md
observed 4d59593a6b9f4914f1654c6b7ef1f97a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.334185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062099/publication.txt
observed 3199aee9eb0a45831d8f0e184e313784...
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.