OpenTechnical

OT-2026-000068276

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000068276) never changes.

Identity and time

Publication numberOT-2026-000068276 · never reused
Internal UUID01a0ae90-247f-703e-a7bf-c906ec33056e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068276
StatusPUBLIC

Content hashes

Canonical text5295bd91b9ac684a72fe265e5d3030bd260c2d9b3e8f3cf1a7bf49b0c630e8c6
Markdown75f9bb5fea9d7028eb521c9b0658e597b4477e86ece48246821f957fc258b8e1
PDF
Publication page84a0899fd8ce98657fd690c1f63cbd5b8d82d4eba4ad7be7bf895bc2273f4d2a
Manifest01da36ea9e9b3a3bb29bbacbe96e62a5ca7d20f81bdb806536690c51048fb630

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
SignatureztGXXDRtjPsXf71ak14N3mW1IHfdweenUx3V4lyIL2Vbv0TL/4wy4WRT+EwP6cEclFaKe0Mw+5hJmU0ZUmleDg==
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

2026-09-17T10:29:18.305733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068276
observed 84a0899fd8ce98657fd690c1f63cbd5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.286912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068276/manifest.json
observed 01da36ea9e9b3a3bb29bbacbe96e62a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.270270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068276/publication.md
observed 75f9bb5fea9d7028eb521c9b0658e597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.252720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068276/publication.txt
observed 5295bd91b9ac684a72fe265e5d3030bd...
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.