OpenTechnical

OT-2026-000077887

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000077887) never changes.

Identity and time

Publication numberOT-2026-000077887 · never reused
Internal UUID01a0ae95-2ed1-7c90-b10c-d50d6cd9f939 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077887
StatusPUBLIC

Content hashes

Canonical text6804b6b2ba99f51443f33cba015fca38d3ac35f155d252aeee8fc0c5914fd1de
Markdown4885f4343975163c4d3dd9ad20fb1b46416ec3084f022be9e2ec26579dac2209
PDF
Publication page3fda66a9c0fe65f4099d546f0dac59a82ff6955a15feb5c2b6e1ad67141c51c1
Manifest3b428eb7d3293798cfe4bf3b4264fbf2f5d36edcbcb9fe2427fec619d2b6b546

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
SignatureBwArzuksocCJxEzzKqLuDwAN6gdxWzFmV7028uF6INr714h19JRbMLpLULkl95fNdCy4ZV9CfYET+GmmU3bHBQ==
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

2026-09-17T10:07:37.951128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077887
observed 3fda66a9c0fe65f4099d546f0dac59a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.931903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077887/manifest.json
observed 3b428eb7d3293798cfe4bf3b4264fbf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.912518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077887/publication.md
observed 4885f4343975163c4d3dd9ad20fb1b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.893295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077887/publication.txt
observed 6804b6b2ba99f51443f33cba015fca38...
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.