OpenTechnical

OT-2026-000078457

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000078457) never changes.

Identity and time

Publication numberOT-2026-000078457 · never reused
Internal UUID01a0ae95-7c28-72b6-9087-1158d9221b3b · 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-2026-000078457
StatusPUBLIC

Content hashes

Canonical text2997196aaf03f657c4a9846496577466829b804a717c074363e1c712e094652c
Markdown877220c44fd37b2327bc56efaaa736341967105ff1677dd96ce8fa65be3bd613
PDF
Publication paged72c9725677fa2cfefba5030ba967fb683dee76fbc781a31db0203d93c28925f
Manifesta4065c6cb1b53cfd3f74d73b63e200cc2035e1c0e31a8975302f1724bfaca28c

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
Signatureo4cr/pTFauHP+qunSL0K4QLJ28Z1riqOsSQj+GOO8Hmj/89zViqZ/gVrClFOm7oZkNJiedG8fOBJ17eElNLlDA==
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

2026-09-17T10:06:27.546755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078457
observed d72c9725677fa2cfefba5030ba967fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.529851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078457/manifest.json
observed a4065c6cb1b53cfd3f74d73b63e200cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.511675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078457/publication.md
observed 877220c44fd37b2327bc56efaaa73634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.491580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078457/publication.txt
observed 2997196aaf03f657c4a9846496577466...
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.