OpenTechnical

OT-2026-000083585

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, sustained 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-2026-000083585) never changes.

Identity and time

Publication numberOT-2026-000083585 · never reused
Internal UUID01a0ae98-0415-7bdb-9c90-ffcd9309918b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083585
StatusPUBLIC

Content hashes

Canonical text77abfb8d37ce48f00b16baea29691c6a29c42a45158cd84c877a187cac29b7b2
Markdownb26e1be2e91ba531d530c82e3f042eac8edb68f4969833e26ed82c3c12482428
PDF
Publication pagea71533875d73055d845ee8b0a6fd0ee3a5dd00f9b37a59e0e98ae84fd0aafae0
Manifesta5546ccf1f8fa828504bc0b5fed682ebc36f7e688030345844c555623717b932

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
Signature7CeJS6z7lW3uDbM1yIEZFQ0DQJMsYIHsffwzhWMSlwUy5613q33+5+kdPDmbhI3yKyt52sujchSjqg/DGrysAg==
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

2026-09-17T09:57:04.627856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083585
observed a71533875d73055d845ee8b0a6fd0ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.611260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083585/manifest.json
observed a5546ccf1f8fa828504bc0b5fed682eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.593686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083585/publication.md
observed b26e1be2e91ba531d530c82e3f042eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.576680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083585/publication.txt
observed 77abfb8d37ce48f00b16baea29691c6a...
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.