OpenTechnical

OT-2026-000079165

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000079165) never changes.

Identity and time

Publication numberOT-2026-000079165 · never reused
Internal UUID01a0ae96-0b8f-7ace-821a-c565a3bc08fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079165
StatusPUBLIC

Content hashes

Canonical text6c3ba977c66793a21247d685e285dc0d81f321c081c99c79047125245d71049a
Markdown24ca0015ef26bae1646ef1b5091120de6998485386a979ea277ce2cfb05f35dd
PDF
Publication page29c8de8e3eca75b2b16e210ae0820dcd93ba03b9b9a4f76b23b7e86cf6e7dfc5
Manifest321af070562efed9ec8a574b2db0e18eefbfcadb6b777b18074c9feaa4fbfa88

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
Signature3mhWUFg4/sYcw7D45aqNndDJM+40FzSOYsfjLpXPgPqtPoToC5PY3g6EOEml6H9sGT+zDePrXqo+wkWJCsBfDA==
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

2026-09-17T10:04:45.437733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079165
observed 29c8de8e3eca75b2b16e210ae0820dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.418678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079165/manifest.json
observed 321af070562efed9ec8a574b2db0e18e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.400828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079165/publication.md
observed 24ca0015ef26bae1646ef1b5091120de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.383393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079165/publication.txt
observed 6c3ba977c66793a21247d685e285dc0d...
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.