OpenTechnical

OT-2026-000053706

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000053706) never changes.

Identity and time

Publication numberOT-2026-000053706 · never reused
Internal UUID01a0ae85-735c-72d9-8014-ce2b6ec75ea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053706
StatusPUBLIC

Content hashes

Canonical text3410e4eb24802243c53f9e2df1e05f44f9046d7d33d65ed55b4c27b20a326f7e
Markdownbfaabec617d5bc022fdafa61f8301705950c1b8482aa5d9f2b19a502546e9728
PDF
Publication page93b83806b942f33208bae6002caaa58bfba1fecaf32cc85407665e73d2b1d1b7
Manifestcc079ba10b5f03fd7228a30fa56c51cc32d4bff4addecf39ac1a388b9d595b0a

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
Signature8R+AG/qB5DpTWNVQlXENIvEbPODH81yqOnhPkrDNfmag5Dr/GYhz5L+9n2GVouYPdfTiLvXPW9AJUzC+tMS2Cg==
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

2026-09-17T08:40:06.582550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053706
observed 93b83806b942f33208bae6002caaa58b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:06.318697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053706/manifest.json
observed cc079ba10b5f03fd7228a30fa56c51cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:06.298557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053706/publication.md
observed bfaabec617d5bc022fdafa61f8301705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:06.272686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053706/publication.txt
observed 3410e4eb24802243c53f9e2df1e05f44...
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.