OpenTechnical

OT-2026-000078327

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078327) never changes.

Identity and time

Publication numberOT-2026-000078327 · never reused
Internal UUID01a0ae95-7c27-74b8-941a-8c91317717dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078327
StatusPUBLIC

Content hashes

Canonical text289d4514fe92fa4ee7e0e7aa9d99c62b1a12d5efe2ce0847def59d5e428a1073
Markdown35c42b94f0c95ba12cc4cf53c1de18d0c0b65f3ae9329f104b44cc8c51f9fc14
PDF
Publication pagee5976d6ae6074a1fb2f3dffd9b2a96c8bda4df4a348617a0c8deb9708b969674
Manifest0a8f03260b6074bb79d29f91d7bcab7fd99361909889a27559103f269efb9ef9

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
Signaturet+YvJKv1CXHWIy1y45LOA+MIm401d/63ZUI5no821kZTvyeT2nXnas4blF5NMeRsOZ4V/xIV3MpRKDhpqY1TCQ==
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

2026-09-17T10:06:17.671042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078327
observed e5976d6ae6074a1fb2f3dffd9b2a96c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.652699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078327/manifest.json
observed 0a8f03260b6074bb79d29f91d7bcab7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.633471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078327/publication.md
observed 35c42b94f0c95ba12cc4cf53c1de18d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.613041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078327/publication.txt
observed 289d4514fe92fa4ee7e0e7aa9d99c62b...
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.