OpenTechnical

OT-2026-000091651

Publication integrity record

Three cup vacuum gripper, three zone face, four 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-2026-000091651) never changes.

Identity and time

Publication numberOT-2026-000091651 · never reused
Internal UUID01a0ae9d-43b8-7956-8b3c-32281c726d9e · 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-2026-000091651
StatusPUBLIC

Content hashes

Canonical textb8e49beb9aeb395b6edc968206b378c27576482d43349880feb6c716f2e4382c
Markdown21c1b9a00477de201139f48f33b78710507ac07bdda88106c1f6bd02d70933af
PDF
Publication page984b48ac4a9f7087a39e59ebc14c99fbde8a9f34ecf19f03fb727433a1d847e0
Manifest035c3a842d5a6a376ebb051d393da2481480f3291eafcd984a4fc9c8455d37f8

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
SignatureYkn+v7vAAmd1Wq4yyr+uMjHEMB/hjooaIcqhsP+LONdcNxHMdpwro8O7x1Lz4Rj5Ud8CZS7b9G72f4VnFuN3Dw==
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

2026-09-17T09:42:01.463783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091651
observed 984b48ac4a9f7087a39e59ebc14c99fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.446507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091651/manifest.json
observed 035c3a842d5a6a376ebb051d393da248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.428108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091651/publication.md
observed 21c1b9a00477de201139f48f33b78710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.411374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091651/publication.txt
observed b8e49beb9aeb395b6edc968206b378c2...
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.