OpenTechnical

OT-2026-000010189

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000010189) never changes.

Identity and time

Publication numberOT-2026-000010189 · never reused
Internal UUID01a0ae6b-cb7b-73ed-86aa-c51857a24fa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010189
StatusPUBLIC

Content hashes

Canonical text8ba53d2ca3bbddd6e0181567c550895e9ec765f5f0960a6e4abffad3f141df5e
Markdowne0f58714fbce95a229aa2f784ca9a04d6cea768a58567e385f4205146c1a74ac
PDF
Publication page27072e5e5d6314da39187a4fb5a496f51ddf7f29267c7bc3b610bf622239f1b0
Manifestabf15cd7a13fa5d6234af9c79ad50f5b43fe0b048b2f0db3f4af664db1922607

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
Signaturealt/fHcFSDJiqF3L8gDUyscsoe4hDpMLtAZjnPCUJcUJoyzV0y41oK/dHZKN0N9wWzKra7MJhgPV4AiznJ5LBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:16:18.525776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010189
observed 27072e5e5d6314da39187a4fb5a496f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:18.505232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010189/manifest.json
observed abf15cd7a13fa5d6234af9c79ad50f5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:18.484230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010189/publication.md
observed e0f58714fbce95a229aa2f784ca9a04d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:18.463324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010189/publication.txt
observed 8ba53d2ca3bbddd6e0181567c550895e...
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.