OpenTechnical

OT-2026-000077768

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented after 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-2026-000077768) never changes.

Identity and time

Publication numberOT-2026-000077768 · never reused
Internal UUID01a0ae95-2ed0-7be2-a673-8f7428d291ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077768
StatusPUBLIC

Content hashes

Canonical textff7d724bde407bb5d2e76e2e520b5c88cba9b728e80408d05c8f2b2cbec26d7c
Markdown41e74d781d1dcd493abc18150c8db6b538c72a822a8b481cbdafea3257f2bce2
PDF
Publication page3f1bd48effe2654e9c17a6d993c0836721eb548cbf9cde5df134f3f124e25751
Manifest8dea11b489b0aea351f316be692e66153d3ced9ec7c83bbd87b812e5075d759e

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
SignatureHpaFh9CQ92h37Glvgbq+1R+5Nru914dWuExDhxuLbiJ03ujiWj0rHI89K1OGgfDpTD9QC1Qt9dvtppTbp2ubBA==
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

2026-09-17T10:07:21.127405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077768
observed 3f1bd48effe2654e9c17a6d993c08367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.108498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077768/manifest.json
observed 8dea11b489b0aea351f316be692e6615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.085862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077768/publication.md
observed 41e74d781d1dcd493abc18150c8db6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.065517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077768/publication.txt
observed ff7d724bde407bb5d2e76e2e520b5c88...
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.