OpenTechnical

OT-2026-000082025

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000082025) never changes.

Identity and time

Publication numberOT-2026-000082025 · never reused
Internal UUID01a0ae97-4d92-7f36-8c60-fd14c5295f06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082025
StatusPUBLIC

Content hashes

Canonical text95fe5757e69438e9903af4ef2288807e5d0a5c14078289ef2791daba385b8ca7
Markdownf759c1e1d6990819df52b77cdb493a8ce3b59bdf2268c685a1dd511c23309588
PDF
Publication page61cad6bd6df7176b1462a55f88c7fee2176fd1b2f6b3442e3d8d07c089081654
Manifestf924f636a0b80a7bd83f1d0f696a80df2f2d979f0909219816422573d48628aa

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
Signature51YT5d8cWKwzxVh8hxA3a4L1IEH3DjLBDNxhQkX+gOP2Tt+lrQlnPeX8siFD6bPB8ulEMpo8+UwbAzPuNuEtDQ==
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

2026-09-17T09:58:48.912827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082025
observed 61cad6bd6df7176b1462a55f88c7fee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:48.895373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082025/manifest.json
observed f924f636a0b80a7bd83f1d0f696a80df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:48.877205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082025/publication.md
observed f759c1e1d6990819df52b77cdb493a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:48.857775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082025/publication.txt
observed 95fe5757e69438e9903af4ef2288807e...
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.