OpenTechnical

OT-2026-000091961

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091961) never changes.

Identity and time

Publication numberOT-2026-000091961 · never reused
Internal UUID01a0ae9d-43bb-712f-adfb-95d2b7566c0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091961
StatusPUBLIC

Content hashes

Canonical text8fedcd7fb1a6b89e0060a286f6b06647843c299bb8ee0ebb93f157ac090bfd8f
Markdown6282c892c2211133731ab7378f249c39906d0c8c9a05dc30033068c12d82415f
PDF
Publication pageafdfdd72f9e4054e4bdc52d28eb5acb1b683074c991f3dc01a1b57337c535d72
Manifestd96ea7dac6a0ddb8862aab578f834ee39726d12ff892b687660205f496f85ef4

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
SignaturepX/wgd6oDoo1NFGiEIS4F318qOZ2BD8KUVkzoIpfNlxs4OeMPCG9CWGeJ8ELEqUvl4vMK3umsgaKA1tsLFtrDQ==
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

2026-09-17T09:42:54.796663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091961
observed afdfdd72f9e4054e4bdc52d28eb5acb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.778534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091961/manifest.json
observed d96ea7dac6a0ddb8862aab578f834ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.760658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091961/publication.md
observed 6282c892c2211133731ab7378f249c39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.743402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091961/publication.txt
observed 8fedcd7fb1a6b89e0060a286f6b06647...
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.