OpenTechnical

OT-2026-000078169

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000078169) never changes.

Identity and time

Publication numberOT-2026-000078169 · never reused
Internal UUID01a0ae95-7c26-790a-8012-4f5bc665b91c · 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-2026-000078169
StatusPUBLIC

Content hashes

Canonical text719e7afa98d8b7d680f94c69db351dc81e4a508c84b0e4e4351ba6d5d1b1a23e
Markdowne046f373c86ac30eeb73d784230b69d6c7d4e8d8966adf8865f3ae437627e103
PDF
Publication page25786aa8d8b14b324cfd398eba16fdc39a82d978c62cafaeeccc1e11f53e6077
Manifestbd9c6f8b7414ecd362f4dd11a1f62e6d30162520d5b9235d100ae1e4a29c8ffd

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
SignatureIaQ/PRAs5zBm6xTtqe/0e7E0CUZ8du9nbjDFoiAin/Pj8bIKe5/mz9PJTCSzKcWKNoj35T79CQ2I340zfbGoDA==
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

2026-09-17T10:06:06.705255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078169
observed 25786aa8d8b14b324cfd398eba16fdc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:06.685169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078169/manifest.json
observed bd9c6f8b7414ecd362f4dd11a1f62e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:06.665282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078169/publication.md
observed e046f373c86ac30eeb73d784230b69d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:06.644749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078169/publication.txt
observed 719e7afa98d8b7d680f94c69db351dc8...
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.