OpenTechnical

OT-2026-000052142

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000052142) never changes.

Identity and time

Publication numberOT-2026-000052142 · never reused
Internal UUID01a0ae83-e78f-794d-aeb8-a99259173231 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052142
StatusPUBLIC

Content hashes

Canonical text48634bc360f3d163e6e5dbb34f3498f3ec02d5d23b66cf94d8b53ad7dcd54179
Markdownebe2e64e9ae3743a54c54a2ada24953910bdf3eb69959b4d595953e09fc278cb
PDF
Publication pageff969e8b1cd2d6d23e769f4931b3bba54febdd0b90cc0628b50d3e61ca0cdeac
Manifestba4accb2c3e47bea335b0ccc6e4ed5ed2320202c57dd564c44c9c3170382a67c

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
SignatureI7FYoNCO6C/IUH7aw8HC8vL7NiXtaXRqh2ezZhHxIngmIDgdt24mssexfTPpZbWrwMKeDSaRPfB2DyWjIApVBQ==
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

2026-09-17T10:57:41.640106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052142
observed ff969e8b1cd2d6d23e769f4931b3bba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.621944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052142/manifest.json
observed ba4accb2c3e47bea335b0ccc6e4ed5ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.602641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052142/publication.md
observed ebe2e64e9ae3743a54c54a2ada249539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.585912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052142/publication.txt
observed 48634bc360f3d163e6e5dbb34f3498f3...
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.