OpenTechnical

OT-2026-000073583

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000073583) never changes.

Identity and time

Publication numberOT-2026-000073583 · never reused
Internal UUID01a0ae92-efb9-7951-afa5-75c27aaa5d73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073583
StatusPUBLIC

Content hashes

Canonical text8edc32b1fec815d2a4665c288de9b16927c420aa999a05c6b602d9f42d3f89c9
Markdown8c1c2b1adc653baa684e04d9baa9c675f5a2c6ad34a4528b60c870eb1dcb30a8
PDF
Publication pagef1297b61c9fd1507843532cfdd0f218ff33a52018c060fa98d760b8683347869
Manifest8a352cc91e790604234a6d4cc17dfe7fa41c78ac86b27e164998deded69e207d

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
SignaturekGuq3BT7Y+fb6O2cst1NB9PzV6k37AxrM56ZoeIWUeFyaetJiiTUj55Gyxm9hVladWc1OKmX69EwC6XWjIqQBQ==
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

2026-09-17T10:21:45.683488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073583
observed f1297b61c9fd1507843532cfdd0f218f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.664744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073583/manifest.json
observed 8a352cc91e790604234a6d4cc17dfe7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.646912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073583/publication.md
observed 8c1c2b1adc653baa684e04d9baa9c675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.631244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073583/publication.txt
observed 8edc32b1fec815d2a4665c288de9b169...
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.