OpenTechnical

OT-2026-000052818

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000052818) never changes.

Identity and time

Publication numberOT-2026-000052818 · never reused
Internal UUID01a0ae84-a42e-7a70-bf3e-56a7c7e5c13b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052818
StatusPUBLIC

Content hashes

Canonical textff194c079f350890c1109784694ca57073343f3d96c0d725045b6986ea600180
Markdown20ea04f65d5df0ee39d7a3702ae037fe18953450581bfdb020e9ef31ca140355
PDF
Publication pagebe73adf4a5292899572c78c07215276cbbcb32a2153571e534c5bd841f8fb23b
Manifest7ff96f10e876b51a870d71ac860d04bd2f5c202b1930a3cd6c6c499be2fcafcf

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
Signaturecti7Pxt7MJXQpXsoxreZVSu/OmMsgOjnDRU6Yb+nX52sa9JdlkaID5EuGmLFZl4dGLuSumvV7HjEp+UMNLbkDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:50.414573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052818
observed be73adf4a5292899572c78c07215276c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:50.396889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052818/manifest.json
observed 7ff96f10e876b51a870d71ac860d04bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:50.378831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052818/publication.md
observed 20ea04f65d5df0ee39d7a3702ae037fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:50.361475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052818/publication.txt
observed ff194c079f350890c1109784694ca570...
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.