OpenTechnical

OT-2026-000074394

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000074394) never changes.

Identity and time

Publication numberOT-2026-000074394 · never reused
Internal UUID01a0ae93-7179-74c4-bcdb-e7b6b2a4d606 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074394
StatusPUBLIC

Content hashes

Canonical text7775e446a1b3b3a22c93fbaee9eecc1f106e9c869e1e52ed3fe2ed88f9d69a8c
Markdown5b162063dea1cbe5df214fb7fb6d182f4d7ec89dd2c6115aa464cc6a5d70edf8
PDF
Publication pagea7baa25699f23c79228fa9c398de15efad8af7d73627645ce2b85d90508141b1
Manifest9a76f501d6a63fb672a8b0ac81e97f50a059ab1afc38521055aa141c2163206b

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
SignatureTXYtikfxBp5PBOs0K0V1bzkmX5Swr563MjyBxuiy56KbrJF/XB9Vtl4hCOzFhGi+3PocBoKglLAjUUXvqM1+CQ==
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

2026-09-17T10:19:19.877194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074394
observed a7baa25699f23c79228fa9c398de15ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.857905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074394/manifest.json
observed 9a76f501d6a63fb672a8b0ac81e97f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.838389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074394/publication.md
observed 5b162063dea1cbe5df214fb7fb6d182f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.821816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074394/publication.txt
observed 7775e446a1b3b3a22c93fbaee9eecc1f...
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.