OpenTechnical

OT-2026-000074163

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000074163) never changes.

Identity and time

Publication numberOT-2026-000074163 · never reused
Internal UUID01a0ae93-7178-7b4a-af9e-f86073084fe1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074163
StatusPUBLIC

Content hashes

Canonical textde1b22e09903361707268105517a12983cd12e37122fad78503789f3fc5601c4
Markdowna4d3288b310580a3ac50cb5a420d032ff99c69e31102d64d7265c3ef5d50d40a
PDF
Publication pagecb1cb6414e0f83c7e8207f939c45fb597e020ae454146532db22b03da3f520c9
Manifest8476d90b3233f5f0d52721f4cc734a2bc6c69abeea9130950b8550c2090e8e99

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
SignatureH8tRUid+e1s/v/nS5uZBVDbrpgIDRGQErjBBbLMuzU2KupBeYvSgfOkRGrmBvVplEauXeqPpsGSpr9OZQTDuDA==
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

2026-09-17T10:19:00.745257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074163
observed cb1cb6414e0f83c7e8207f939c45fb59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.728200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074163/manifest.json
observed 8476d90b3233f5f0d52721f4cc734a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.710331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074163/publication.md
observed a4d3288b310580a3ac50cb5a420d032f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.692374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074163/publication.txt
observed de1b22e09903361707268105517a1298...
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.