OpenTechnical

OT-2026-000058637

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000058637) never changes.

Identity and time

Publication numberOT-2026-000058637 · never reused
Internal UUID01a0ae88-f39d-7300-b478-81ac24df9c5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058637
StatusPUBLIC

Content hashes

Canonical text7914197bbf05387e32878a373a1617df092fa16b372b32d62212240df5b21018
Markdown66e3ef354a02d6005228a47a6ea7910ff0b2a65f5c4cc3622bda01aceb407849
PDF
Publication paged1d8eb7e214c5497d9599c626e231f672a8d11543f77790636ab16ad4b3ec7d3
Manifest4cc04ad6ee6af6332260674dc64edd4d8c1c580ea717748771c3b7a9e1c8bf37

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
SignatureYrzMgxkxEBeTqhr+lSmwq2o1YkQiRh2j7Zy0hvqJpPs2UAjKFaR7Ixz2qDLVRqbtt/bbCsRZs+in7S8w+tHdDg==
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

2026-09-17T10:47:08.826653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058637
observed d1d8eb7e214c5497d9599c626e231f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:08.810445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058637/manifest.json
observed 4cc04ad6ee6af6332260674dc64edd4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:08.794192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058637/publication.md
observed 66e3ef354a02d6005228a47a6ea7910f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:08.774545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058637/publication.txt
observed 7914197bbf05387e32878a373a1617df...
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.