OpenTechnical

OT-2026-000052286

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump 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-2026-000052286) never changes.

Identity and time

Publication numberOT-2026-000052286 · never reused
Internal UUID01a0ae83-e791-7407-b697-222f644f6bf1 · 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-2026-000052286
StatusPUBLIC

Content hashes

Canonical textac25209a4354a4c0ed9254c8c7551a9fe16001a15f1a0f5c995fef3a99747f26
Markdown7616b0289ad8cc5178493efabc9ec72adf4be0f36dbc4e49159b536b95c608b1
PDF
Publication page28931e98dbd37348d05466c0145ce4cf46daac48e8a330f356db4b281746b915
Manifest1c8a8a65facf2f4d6550aa0aeec06e3465103bf2fbb74eb997962e9119ecb6c6

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
Signaturev0FV9YNVgVrI8Ka+UDi+VzbnG3ZLD+0YSTZjsvZW3x8mTFSLv64cB+t14thPosCnxG8SspnefdiDwS12SPd+CA==
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

2026-09-17T10:57:57.791611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052286
observed 28931e98dbd37348d05466c0145ce4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:57.772358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052286/manifest.json
observed 1c8a8a65facf2f4d6550aa0aeec06e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:57.744289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052286/publication.md
observed 7616b0289ad8cc5178493efabc9ec72a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:57.558115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052286/publication.txt
observed ac25209a4354a4c0ed9254c8c7551a9f...
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.