OpenTechnical

OT-2026-000074847

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000074847) never changes.

Identity and time

Publication numberOT-2026-000074847 · never reused
Internal UUID01a0ae93-ac2c-7f83-8a79-847476ccbdee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074847
StatusPUBLIC

Content hashes

Canonical text740ba3c907ab8d0faa816bb6c754c8f276f8e1be10d8464cc567b56ed08a69c8
Markdown85db2de32d65cc3e0017dd3f2cccd76e8e20e66d73c1ef57be9431a1e00547f7
PDF
Publication page0024f15c567c44e96f0f278fba717fed68bc0d9124febab20546b08b665b45a2
Manifestb54cbf201a163b5ff593f699b0c896be41bfec4bd3ccd5e1eae6b820a9dfc623

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
SignatureJJ7ikpI7WVaeE0IGJsANrSeDgzIXkSVRgMh+mxByEVdI8sXrWtbPYfWLemA+z1M4b7M5xEhvdoN6Q9q+mfPFBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:33.617582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074847
observed 0024f15c567c44e96f0f278fba717fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.598956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074847/manifest.json
observed b54cbf201a163b5ff593f699b0c896be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.581942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074847/publication.md
observed 85db2de32d65cc3e0017dd3f2cccd76e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.562815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074847/publication.txt
observed 740ba3c907ab8d0faa816bb6c754c8f2...
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.