OpenTechnical

OT-2026-000013866

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000013866) never changes.

Identity and time

Publication numberOT-2026-000013866 · never reused
Internal UUID01a0ae6d-8de9-724f-9d74-cc7027a37790 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013866
StatusPUBLIC

Content hashes

Canonical text612f47c44c34c297e65495723fb89d8525a9a1d52a6d62a6886d5eefacf0736d
Markdown07efb27cf4deaa4bab324a54ba6ebe21f0f8c063c73e86451abdddf91952eadf
PDF
Publication paged5a88b5e7e9e6c55e34d59e43b713ec683984be1cf7535ad405f05f12ce6e379
Manifestc4dc54073bf36fc27a9f114cbc1a7f9ede6eb7c5c15c6bdb957b5f92bcbdf78c

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
SignaturezQkUwWGVxGKv8LFSaARgdjLDcSiKVO8lAWwIBhWzWespa5SB7ba5ZQ/BaSfnCRs5qiSPgJI899/PoNwpZyDpAw==
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

2026-09-17T12:08:58.793306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013866
observed d5a88b5e7e9e6c55e34d59e43b713ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.772616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013866/manifest.json
observed c4dc54073bf36fc27a9f114cbc1a7f9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.753132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013866/publication.md
observed 07efb27cf4deaa4bab324a54ba6ebe21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.733296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013866/publication.txt
observed 612f47c44c34c297e65495723fb89d85...
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.