OpenTechnical

OT-2026-000028084

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000028084) never changes.

Identity and time

Publication numberOT-2026-000028084 · never reused
Internal UUID01a0ae72-a520-7a2b-abf7-371bff8f7f2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028084
StatusPUBLIC

Content hashes

Canonical text114fb6cf85aae8f8b2156369428fc2f64bd02588c9a80c08350b1203c09b35f5
Markdownda03045a35f60860361bd9062f125a27a639a07dc43f401cc69c4e0ca5087cbb
PDF
Publication page8d026bd6f72ace78ac28ba83e30f851442eb9863450e0696d698186993a5d897
Manifest1ff616af5bcdfac3eb1820706e8fb0a2548d0042b41ff3f532bc9ae0c4263bf6

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
SignaturedxSa/sIJ+CsqTRayvQjPsnLDGJbzxT46Me7nwVtcuDtVK8XuLkaOeM57nBFaoT31PzglKEWMs4qUGlX/6nS2Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:25.595481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028084
observed 8d026bd6f72ace78ac28ba83e30f8514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:25.577593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028084/manifest.json
observed 1ff616af5bcdfac3eb1820706e8fb0a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:25.559236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028084/publication.md
observed da03045a35f60860361bd9062f125a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:25.541681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028084/publication.txt
observed 114fb6cf85aae8f8b2156369428fc2f6...
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.