OpenTechnical

OT-2026-000070420

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000070420) never changes.

Identity and time

Publication numberOT-2026-000070420 · never reused
Internal UUID01a0ae91-545f-7665-b2e4-5d905f9d754b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070420
StatusPUBLIC

Content hashes

Canonical text20a5d9fbf28b11d51ceea2537ac87d4c2be9c58094e6c9434e348067b888bddc
Markdown7c82e951701ae153edc6c53abdaabd11a70a7ccbc6353f6866c418c5ccbee264
PDF
Publication pagee60d54f941b27d2fac90501f85a91bbd2ad06b7615653473dc8d819fc39f8081
Manifesta09241e79400ce593cc779d42ea3a6d361b75d7da5946dff850f6a59924f76c5

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
SignaturepQRdLIHuQKJiEFez8a18HIi7Mkhe6IMnZeBEG7MnFQ5CYKhCovt00Ujvkp2HnaUFWUCC3FcjYKVfRvt/WUokDw==
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

2026-09-17T10:26:14.018142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070420
observed e60d54f941b27d2fac90501f85a91bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.000198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070420/manifest.json
observed a09241e79400ce593cc779d42ea3a6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.983565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070420/publication.md
observed 7c82e951701ae153edc6c53abdaabd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.964415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070420/publication.txt
observed 20a5d9fbf28b11d51ceea2537ac87d4c...
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.