OpenTechnical

OT-2026-000078619

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000078619) never changes.

Identity and time

Publication numberOT-2026-000078619 · never reused
Internal UUID01a0ae95-7c2a-7271-b4e5-eb1a240fce6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078619
StatusPUBLIC

Content hashes

Canonical text36e591c7bc36de3ebad607f291748f3957747fa8d58868c7648022748ea5771a
Markdown79b915a7d6ce92a27f747490060596573880d466c30f4245540a176ce635db84
PDF
Publication pagef8ea7a9216ed02def5fea4ae3e85c77f47f92e6a8f042901bc917ec9e6ecdbec
Manifestf8490b1c4c6500e0a3b2e22db4489c2a48a2b60ce8e88ddb3546c66266767f4a

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
Signature7wo1HIXmWDCEEQ8O+hvraDwmZKHaXDaGRMp0QqPy59XtEj5gtMWCcBb8WsAJbpnDGQ2aKqVmjZba/TVIpXb5Ag==
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

2026-09-17T10:06:39.383930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078619
observed f8ea7a9216ed02def5fea4ae3e85c77f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.366021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078619/manifest.json
observed f8490b1c4c6500e0a3b2e22db4489c2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.348789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078619/publication.md
observed 79b915a7d6ce92a27f74749006059657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.330793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078619/publication.txt
observed 36e591c7bc36de3ebad607f291748f39...
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.