OpenTechnical

OT-2026-000065499

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000065499) never changes.

Identity and time

Publication numberOT-2026-000065499 · never reused
Internal UUID01a0ae8e-46f9-7b69-ae1a-119872d512d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065499
StatusPUBLIC

Content hashes

Canonical text07c8ac41473388c8984a68b5699a00a748215c316aaadbfaa72ecb32afc7db0a
Markdownce2b639475587ea3e8b9dffabe66da6e9447b1951765e2e4933a3ec048df6311
PDF
Publication page31151c120e0b47218c92c8f000570e46616bb528cab757bef89be2f742a807f5
Manifestdc0b07ab6626bc73039f8d954d66098bbaa853244b05de25b4f9ff57383953f4

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
SignatureSZfAmowRfl6CyKl4ty1q/VV714k3vgT1zGriWyootMMD4RJYLOEQmXEZ+Hp/iG1HxjAHv3LDTLRwMlqRrriICQ==
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

2026-09-17T10:33:47.451086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065499
observed 31151c120e0b47218c92c8f000570e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:47.431625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065499/manifest.json
observed dc0b07ab6626bc73039f8d954d66098b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:47.388688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065499/publication.md
observed ce2b639475587ea3e8b9dffabe66da6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:47.344526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065499/publication.txt
observed 07c8ac41473388c8984a68b5699a00a7...
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.