OpenTechnical

OT-2026-000051598

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000051598) never changes.

Identity and time

Publication numberOT-2026-000051598 · never reused
Internal UUID01a0ae83-7c81-7784-91ca-3b1b5ec890e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051598
StatusPUBLIC

Content hashes

Canonical textd0299a3cbc1397e97ba710dbace24a4dbe75e54fb3843ec655ab4dd80268100d
Markdownbd7089a76b852812afbe59cc2138d2de6c09f491970a62ff6a013472fd400a84
PDF
Publication paged58e93e8d1d6b87857b199fe13d059732d752233d5a9eb4db2e9988904f7cea8
Manifest79a1f16593b8d19bf4b42be690b0814a0614859b7a80732bce3ad36614aa1bec

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
SignaturewNksBOJyjC7vo/1BX6ldBQKm2yWuuREAnnF9emJd5d1GZVhXhExOeMZIh8QaFtHD2YaCYBz9/0WBkj/Fctb2BQ==
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

2026-09-17T10:58:26.777782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051598
observed d58e93e8d1d6b87857b199fe13d05973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:26.760957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051598/manifest.json
observed 79a1f16593b8d19bf4b42be690b0814a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:26.743211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051598/publication.md
observed bd7089a76b852812afbe59cc2138d2de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:26.726126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051598/publication.txt
observed d0299a3cbc1397e97ba710dbace24a4d...
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.