OpenTechnical

OT-2026-000071668

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, vented 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-2026-000071668) never changes.

Identity and time

Publication numberOT-2026-000071668 · never reused
Internal UUID01a0ae92-1e91-7b31-893a-b7efbd7a7c7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071668
StatusPUBLIC

Content hashes

Canonical textd55a4b1b6fa724d88b833b4b3d219b319160ad0f6fdcb755837f52338489f68e
Markdown598311afeb51dd264d35f10ca71e87f933d3a0a5e84953fcbfff0da7022309d0
PDF
Publication pagec2b47339f89f2ed0bb134a1492e68ea81c108f46d08b7a9e114ca0e2406d86f9
Manifest9841cc19fb27c5641d653ea994f623c26f18f851cbd4adee633f25ef380c3290

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
SignatureCR13dSJV3HfHyEt+s2fnT0cUSacOFKbkVeOm+5M9bKfbs68Pje2NBhEXW2bvguYNac9w4jOER6XQ8EJFr2YUDQ==
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

2026-09-17T10:23:42.240714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071668
observed c2b47339f89f2ed0bb134a1492e68ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:42.216079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071668/manifest.json
observed 9841cc19fb27c5641d653ea994f623c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:42.191146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071668/publication.md
observed 598311afeb51dd264d35f10ca71e87f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:42.165409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071668/publication.txt
observed d55a4b1b6fa724d88b833b4b3d219b31...
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.