OpenTechnical

OT-2026-000079745

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000079745) never changes.

Identity and time

Publication numberOT-2026-000079745 · never reused
Internal UUID01a0ae96-4375-780f-9360-80d9dd240d9b · 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-2026-000079745
StatusPUBLIC

Content hashes

Canonical text8449fbc52c3848a57d29fc19294a29cc9186306bfe8a3187ef31a453a2b96730
Markdowne617dd47de3e3289bb9eda1be3818ab0c996b9d510106641b222a3a27bf22741
PDF
Publication pageeb0770b81896922098558b0019e8f1bfb7c2c4484b3baef28dd67c323864ee11
Manifestcbdd241613684cd1160224096d921f1ec31783ae34368a88f65d4a0d4cb8ef72

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
SignatureVkUO//WT6rW77K7ezEUYgKHkvXvKyhM/c07SkqxYJurAniYje8MiKPCErVDxlgRBlCuWiEp2roGFU6LFUZ4HBQ==
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

2026-09-17T10:03:36.662862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079745
observed eb0770b81896922098558b0019e8f1bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.645281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079745/manifest.json
observed cbdd241613684cd1160224096d921f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.628134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079745/publication.md
observed e617dd47de3e3289bb9eda1be3818ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.608290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079745/publication.txt
observed 8449fbc52c3848a57d29fc19294a29cc...
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.