OpenTechnical

OT-2026-000078058

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented after 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-2026-000078058) never changes.

Identity and time

Publication numberOT-2026-000078058 · never reused
Internal UUID01a0ae95-6e8c-78ca-a092-8bd469189285 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078058
StatusPUBLIC

Content hashes

Canonical textebed16cc699ca84b495a1cfe7de75c2a423d9b7862feb4d83b67b97330095389
Markdown74a53b1aad8c4889c126863300562fb9184cc8222e2aae725afa4325ea761330
PDF
Publication page8dcb8af52aea51c5dab7fa47a695f0c088272f99f98dd5d2e914e7a96c5c94ee
Manifestec4df6f554e05a404e716cf0a387283c2ab12ff501e80fc942ac8d27e6d53fc6

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
SignatureV/VZvANSw/TxHT4twS5SQf6qg5luBdCIGHilUgIrQy/hZ4rgi2sD7XK+c0NNeVsESblWzwimAk2oHDbyXRQfAA==
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

2026-09-17T10:06:45.776377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078058
observed 8dcb8af52aea51c5dab7fa47a695f0c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.758143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078058/manifest.json
observed ec4df6f554e05a404e716cf0a387283c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.738014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078058/publication.md
observed 74a53b1aad8c4889c126863300562fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.717363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078058/publication.txt
observed ebed16cc699ca84b495a1cfe7de75c2a...
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.