OpenTechnical

OT-2026-000027899

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000027899) never changes.

Identity and time

Publication numberOT-2026-000027899 · never reused
Internal UUID01a0ae72-a4a5-7bdc-98b2-5e886c6c45d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027899
StatusPUBLIC

Content hashes

Canonical text5bbb5b8c9f57bd07fc29915480c89c9c79a54c4ffb327dd76f566af15d24b717
Markdownaaebc1435fa78609e0c034eab7d290767656d7c62f644e94ab003f114ff9c079
PDF
Publication page786b32209d152cc62c96efcbc7113fdc9eca7cf5e626e3acf3234eaef0c56bcf
Manifest2a05f3b99819c4bb3636fd1d1a9409426b9ebce33274525dca4b0ceb38b323ff

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+fd1R2w8PUES5PjbIDVeUQ37BPLvhXiXsec2x64n7rGKnIvJzc3H5d7WfcvM8qOJgVEv2mE8eWIhqKYhH/e0Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:04.066142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027899
observed 786b32209d152cc62c96efcbc7113fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.050426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027899/manifest.json
observed 2a05f3b99819c4bb3636fd1d1a940942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.034194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027899/publication.md
observed aaebc1435fa78609e0c034eab7d29076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.017012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027899/publication.txt
observed 5bbb5b8c9f57bd07fc29915480c89c9c...
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.