OpenTechnical

OT-2026-000089612

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000089612) never changes.

Identity and time

Publication numberOT-2026-000089612 · never reused
Internal UUID01a0ae9c-1a21-7806-96ed-d0a22b304c60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089612
StatusPUBLIC

Content hashes

Canonical texteca6354a4a5fbe099dfdb2dda90e5af3be92441d3133e93f585a264eafa8e5fc
Markdown8a4facff8f3c076c4cc6a47b8fa1f74f993c6207ecacbd6198c637aef7923507
PDF
Publication page65c76852c302e5f7c373fa3ce787ad22dc2dca3db0db797fe1528b1dd7c0a797
Manifestdbd510faa5109505bd60f52191540d00c2ac516ee8993fa704351e53b02a9684

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
Signaturerq/PUGvuEub67FRi4IPgn+O/XMhj8VkReZjdrp711Wn+GEUYr/WLW2DsSQwqY6ogMfNUNr11ik8Xgyv+b70lBw==
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

2026-09-17T09:46:35.613809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089612
observed 65c76852c302e5f7c373fa3ce787ad22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.596011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089612/manifest.json
observed dbd510faa5109505bd60f52191540d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.579250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089612/publication.md
observed 8a4facff8f3c076c4cc6a47b8fa1f74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.561850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089612/publication.txt
observed eca6354a4a5fbe099dfdb2dda90e5af3...
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.