OpenTechnical

OT-2026-000054422

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000054422) never changes.

Identity and time

Publication numberOT-2026-000054422 · never reused
Internal UUID01a0ae86-1282-7b6a-b13c-6905aa7cabac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054422
StatusPUBLIC

Content hashes

Canonical text90a0e595b0e8f0871338b57fabdde9b39459afe6e8717cc2ec6647a41145987a
Markdown5b78f64a0d140a50f6de800e72659ea4880e70108f1df8cf6291f2d4a647903b
PDF
Publication pageb0343d4bfc1ead02e677191832ed090090887558cbf736d304b65890881e8c54
Manifest105b70af66404882e2e5abbf3af3111ef4f16f7967111231b3118ae8a9011054

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
SignatureHcyz72+LOJxvnu8CgNfRlTjwsu162C/evtZOmyKr5lAodrywidBkKci0JfOxdCQVXuP60Wnlxz8ZYCNmOmPGBw==
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

2026-09-17T10:53:24.324001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054422
observed b0343d4bfc1ead02e677191832ed0900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:24.305135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054422/manifest.json
observed 105b70af66404882e2e5abbf3af3111e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:24.288290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054422/publication.md
observed 5b78f64a0d140a50f6de800e72659ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:24.270611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054422/publication.txt
observed 90a0e595b0e8f0871338b57fabdde9b3...
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.