OpenTechnical

OT-2026-000044571

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000044571) never changes.

Identity and time

Publication numberOT-2026-000044571 · never reused
Internal UUID01a0ae7c-39d9-7414-a2eb-a40456ecb3df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044571
StatusPUBLIC

Content hashes

Canonical textbc5b95f23fe3356e5de2c4d4a42a11d6fbdd15ed7bf8af8257d333a1b440a1fa
Markdown486da7f9c5ac07e4ee4aae2059b0084ffd11c886dacb7ac7b31f706f93ce284c
PDF
Publication pagea711f1e0ccd9193770a2855a35ca22a8fd05678099153f1e0f393dadd6e57335
Manifest59ee123b3af71f7178116a3eb8fd64700bf719a74eec56699bc998bba5598e75

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
SignatureW0ClVUPbMz7d48ZPRLGkXSP2idQb/Y3mHhY88k07OR7sMB9GhbdQuYwvve6lBsJln9E0/1ialkdQ/SR2qY5zCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:45.969101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044571
observed a711f1e0ccd9193770a2855a35ca22a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.950166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044571/manifest.json
observed 59ee123b3af71f7178116a3eb8fd6470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.932183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044571/publication.md
observed 486da7f9c5ac07e4ee4aae2059b0084f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.911520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044571/publication.txt
observed bc5b95f23fe3356e5de2c4d4a42a11d6...
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.