OpenTechnical

OT-2026-000027350

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000027350) never changes.

Identity and time

Publication numberOT-2026-000027350 · never reused
Internal UUID01a0ae72-6997-701a-93d3-70301de40410 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027350
StatusPUBLIC

Content hashes

Canonical text9c07a718e7f7dcc26856d5061010f2df73af9aa566f729da42f9b03f87fc5a77
Markdown4bfa88feb4b3d86c5ebc699a9fb5b187788fcdbcfbbd1b1421c7d15756dbb919
PDF
Publication pagecc54025dd349d66960b48e6f0dc46f11e93994c8fd301a8e8b8d7b310a3fa020
Manifest88fc8fe928ee509552525be5973fe397ca48d0d8d2426a997f9ab5b47be5c5f5

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
SignatureVCEVVA8wpbGIHKagtjEWt5P/GN51lArs4pbT7w61PMWVCGtaO0Pi2e3BZlZCrMzFIfpST0cnUxl1fPv+ZJLMDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:45.541952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027350
observed cc54025dd349d66960b48e6f0dc46f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.523739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027350/manifest.json
observed 88fc8fe928ee509552525be5973fe397...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.507356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027350/publication.md
observed 4bfa88feb4b3d86c5ebc699a9fb5b187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.488064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027350/publication.txt
observed 9c07a718e7f7dcc26856d5061010f2df...
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.