OpenTechnical

OT-2026-000028076

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off 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-2026-000028076) never changes.

Identity and time

Publication numberOT-2026-000028076 · never reused
Internal UUID01a0ae72-a520-7bce-b713-8c0d128e1693 · 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-2026-000028076
StatusPUBLIC

Content hashes

Canonical textca4d1cde879dae03beea5fea08a56bd230061abefd431d3957859fe473b907b1
Markdown36bc1636f9aab150dd7b656c8bcd72ff77a1e5014ab055f86f151a95af9d9e9b
PDF
Publication pagec6828041ddaf2eb03eb3a3417180da3160b52d381dc7be6bca206419b4ba5986
Manifest5b28f1cc0119708dac5d18c9058f8959754bd0d2a34cfc211ac0cd1caa0dfa54

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
Signaturep+f0JtF3l0z4XtkFQ1BNe5IDbhtRI+Mi2rFGCy9uM9GHjHEiV9ulNRFn1mqNTkl598QiitePdxpvkU2MX4S9Bw==
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

2026-09-17T11:42:25.004798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028076
observed c6828041ddaf2eb03eb3a3417180da31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:24.986350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028076/manifest.json
observed 5b28f1cc0119708dac5d18c9058f8959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:24.968938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028076/publication.md
observed 36bc1636f9aab150dd7b656c8bcd72ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:24.947970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028076/publication.txt
observed ca4d1cde879dae03beea5fea08a56bd2...
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.