OpenTechnical

OT-2026-000079753

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, 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-2026-000079753) never changes.

Identity and time

Publication numberOT-2026-000079753 · never reused
Internal UUID01a0ae96-4375-7a37-a9a5-1bbee8a67df0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079753
StatusPUBLIC

Content hashes

Canonical text805463dea96a11a3d58ab908357f2f1affb8d5702efb6b7144b59983b77235b4
Markdowncaf29a0ebc543d56652c264534838d93520cb71fd5c3def9951eedbd299b21f4
PDF
Publication pagec1333b877e4f5c04ff8de7400712e9b1b0f8d5e4000e6adc89ee70717e826208
Manifest2ffb34ca3e5ac7ee921c4d353d1b5653aa950647e0b99e8929da86fa50240fd3

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
SignatureB1IwyjBoUobB495IMrW5HTEGpfRtgVWWL2uUQUL10f1Wds2QgGOwc9MN5H229DeeRp78zP+DAScxulDk5t/tAg==
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

2026-09-17T10:03:37.201733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079753
observed c1333b877e4f5c04ff8de7400712e9b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.184432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079753/manifest.json
observed 2ffb34ca3e5ac7ee921c4d353d1b5653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.165950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079753/publication.md
observed caf29a0ebc543d56652c264534838d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.148530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079753/publication.txt
observed 805463dea96a11a3d58ab908357f2f1a...
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.