OpenTechnical

OT-2026-000015378

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000015378) never changes.

Identity and time

Publication numberOT-2026-000015378 · never reused
Internal UUID01a0ae6d-ef49-7f23-8f5a-33feebc89419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015378
StatusPUBLIC

Content hashes

Canonical textabb1693a823e0f5f8a043252ebd24e109d1315b1187ca9dc0f3a51122be3ce9e
Markdownf7f1f1f5b9c43e8100476bbd2b3af9a5038765fa5d6c8da9d653f6b79fc5341a
PDF
Publication page662750a042aa7268017fe598ff518fe27f098e4126a19371968baa6ec374be3b
Manifest79347dbe2ebfc2863422d7499cccd0658e1d59529fbe46affefe89fe9ee393b9

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
SignatureFl3NCUUm2B+gpTjtbG4+OmGbGGcpN36YOIv97HUSXd79kMBTCi9bUFjBl4JjZo8jzdjlBhXmPAt+5cEflm+RBQ==
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

2026-09-17T12:06:05.661049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015378
observed 662750a042aa7268017fe598ff518fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.642690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015378/manifest.json
observed 79347dbe2ebfc2863422d7499cccd065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.625027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015378/publication.md
observed f7f1f1f5b9c43e8100476bbd2b3af9a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.604116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015378/publication.txt
observed abb1693a823e0f5f8a043252ebd24e10...
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.