OpenTechnical

OT-2026-000078358

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000078358) never changes.

Identity and time

Publication numberOT-2026-000078358 · never reused
Internal UUID01a0ae95-7c28-7bf0-aaae-91de9d3c7d52 · 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-2026-000078358
StatusPUBLIC

Content hashes

Canonical text08fae175b02b5519754d01e1076f7e947d35e414366078de2d6b09800ae00216
Markdown7bbed8d7fba091b3029c3608d13a1b456a9d1238bf39c5e7552861281360f461
PDF
Publication page1873d3dc17a485782c2c518abe6504d7ca5b45073a0be4acdbed31550b12a630
Manifest7ed3048c73f1bed7d8af0521a201765fd12cdef1a9b287e5c3dbf2dcc2305ff5

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
Signaturemv3jTRkz+fQ0+HRQsqr33356rQJueN5gsWGEOAR83PLW3kA9ezJ5dgR5TwThDZqlD/X5xOhSpKa5aHPGFi+BAg==
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

2026-09-17T10:06:19.706409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078358
observed 1873d3dc17a485782c2c518abe6504d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:19.686185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078358/manifest.json
observed 7ed3048c73f1bed7d8af0521a201765f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:19.667263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078358/publication.md
observed 7bbed8d7fba091b3029c3608d13a1b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:19.647129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078358/publication.txt
observed 08fae175b02b5519754d01e1076f7e94...
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.