OpenTechnical

OT-2026-000078236

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000078236) never changes.

Identity and time

Publication numberOT-2026-000078236 · never reused
Internal UUID01a0ae95-7c26-7de0-93db-59e6d12c992c · 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-2026-000078236
StatusPUBLIC

Content hashes

Canonical text173b0701247a505533fbb6cc88896bb9075177e168057851651e051102923e88
Markdowna19fcc4ba3224e3871c606f9eac7416a46acc6853656918ad1f494e252df48e5
PDF
Publication page700e86e7b2918642963658b3436654ea51d09e0d6b1b2d3a65733027b64600de
Manifestee614d6ad2da4d0cfd646a8396aeb8ca4094c3f42dcbbf00dabaa051f4d2f434

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
SignatureCUT2sdwRBoDXbz9Jeq52yFIkZMWgFVlHT+DXZxu8IVdaKOOInVGyj2fDpgGcIx79kweqIeVZIHLc84sCiYkjBw==
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

2026-09-17T10:06:11.123902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078236
observed 700e86e7b2918642963658b3436654ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.105191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078236/manifest.json
observed ee614d6ad2da4d0cfd646a8396aeb8ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.085349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078236/publication.md
observed a19fcc4ba3224e3871c606f9eac7416a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.066480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078236/publication.txt
observed 173b0701247a505533fbb6cc88896bb9...
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.