OpenTechnical

OT-2026-000060074

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000060074) never changes.

Identity and time

Publication numberOT-2026-000060074 · never reused
Internal UUID01a0ae8a-5a71-7832-bf12-d3a4a4033f70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060074
StatusPUBLIC

Content hashes

Canonical text1bb6ecbc4fb3d271bef4d7fa7ff4d6c07d650e4ce6147059167a442c4dde7103
Markdown7d9a9992a7c9f2863d56d0cdcbe762e68a285db3e229e87287903ccd2a9e71ea
PDF
Publication pagea35faae498380d31c49e9edfb255692f138b31c1f0b8ee21634ebb320125f62a
Manifest0e66c2972fac98931efa135a8296d9d7686cf56136d745e22087cfccd7227be2

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
SignatureycziWN3SE4pZYj6JNdJI+ysN8KnpNs3cU/M2xJ87KmbzKSx24Ew5XhTvEL/6QWMj894grdBkYoSLF8AUoHLLAA==
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...

Independent retrieval

2026-09-17T10:43:42.470888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060074
observed a35faae498380d31c49e9edfb255692f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:42.450085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060074/manifest.json
observed 0e66c2972fac98931efa135a8296d9d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:42.431416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060074/publication.md
observed 7d9a9992a7c9f2863d56d0cdcbe762e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:42.413915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060074/publication.txt
observed 1bb6ecbc4fb3d271bef4d7fa7ff4d6c0...
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.