OpenTechnical

OT-2026-000072330

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000072330) never changes.

Identity and time

Publication numberOT-2026-000072330 · never reused
Internal UUID01a0ae92-47c3-78e2-811c-674867b81441 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072330
StatusPUBLIC

Content hashes

Canonical textff5f979959ef3f3acbfb1cf386e1506a8dbd9dc9c30f46890b81396600ea4f1e
Markdown27435274aa9ceb4e72d3db12b83ef55122d36aac7e4aa0c2df27b6eebdc60c4c
PDF
Publication page9c73342836a55f9e1ebdea238d271a3643ceac8ad8166a3afe121b8c4d55bacd
Manifest32f88f74292b0102369be194d14b426187c9a7278ab98b390f325026ba77f966

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
SignaturewOi5fDPmSbmDdZevQR7LnqnSgIN8uUxFQzYmGhMLxPVymuzxtcSgQFrpxUcWN03xx1CZ0JAg44AFC+ScBVvEDg==
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

2026-09-17T10:23:33.599954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072330
observed 9c73342836a55f9e1ebdea238d271a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.582846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072330/manifest.json
observed 32f88f74292b0102369be194d14b4261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.566387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072330/publication.md
observed 27435274aa9ceb4e72d3db12b83ef551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.549477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072330/publication.txt
observed ff5f979959ef3f3acbfb1cf386e1506a...
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.